2155201920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 384

約数和(自身を含む): 8019648000

約数和(自身を除く): 5864446080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 47, 48, 57, 60, 64, 72, 76, 80, 90, 94, 95, 96, 114, 120, 128, 141, 144, 152, 160, 171, 180, 188, 190, 192, 228, 235, 240, 282, 285, 288, 304, 320, 342, 360, 376, 380, 384, 419, 423, 456, 470, 480, 564, 570, 576, 608, 640, 684, 705, 720, 752, 760, 838, 846, 855, 893, 912, 940, 960, 1128, 1140, 1152, 1216, 1257, 1368, 1410, 1440, 1504, 1520, 1676, 1692, 1710, 1786, 1824, 1880, 1920, 2095, 2115, 2256, 2280, 2432, 2514, 2679, 2736, 2820, 2880, 3008, 3040, 3352, 3384, 3420, 3572, 3648, 3760, 3771, 4190, 4230, 4465, 4512, 4560, 5028, 5358, 5472, 5640, 5760, 6016, 6080, 6285, 6704, 6768, 6840, 7144, 7296, 7520, 7542, 7961, 8037, 8380, 8460, 8930, 9024, 9120, 10056, 10716, 10944, 11280, 12160, 12570, 13395, 13408, 13536, 13680, 14288, 15040, 15084, 15922, 16074, 16760, 16920, 17860, 18048, 18240, 18855, 19693, 20112, 21432, 21888, 22560, 23883, 25140, 26790, 26816, 27072, 27360, 28576, 30080, 30168, 31844, 32148, 33520, 33840, 35720, 36480, 37710, 39386, 39805, 40185, 40224, 42864, 45120, 47766, 50280, 53580, 53632, 54144, 54720, 57152, 59079, 60336, 63688, 64296, 67040, 67680, 71440, 71649, 75420, 78772, 79610, 80370, 80448, 85728, 90240, 95532, 98465, 100560, 107160, 109440, 114304, 118158, 119415, 120672, 127376, 128592, 134080, 135360, 142880, 143298, 150840, 157544, 159220, 160740, 160896, 171456, 177237, 191064, 196930, 201120, 214320, 236316, 238830, 241344, 254752, 257184, 268160, 270720, 285760, 286596, 295395, 301680, 315088, 318440, 321480, 342912, 354474, 358245, 374167, 382128, 393860, 402240, 428640, 472632, 477660, 482688, 509504, 514368, 571520, 573192, 590790, 603360, 630176, 636880, 642960, 708948, 716490, 748334, 764256, 787720, 804480, 857280, 886185, 945264, 955320, 1019008, 1028736, 1122501, 1146384, 1181580, 1206720, 1260352, 1273760, 1285920, 1417896, 1432980, 1496668, 1528512, 1575440, 1714560, 1772370, 1870835, 1890528, 1910640, 2245002, 2292768, 2363160, 2413440, 2520704, 2547520, 2571840, 2835792, 2865960, 2993336, 3057024, 3150880, 3367503, 3544740, 3741670, 3781056, 3821280, 4490004, 4585536, 4726320, 5095040, 5143680, 5612505, 5671584, 5731920, 5986672, 6301760, 6735006, 7089480, 7483340, 7562112, 7642560, 8980008, 9171072, 9452640, 11225010, 11343168, 11463840, 11973344, 12603520, 13470012, 14178960, 14966680, 15285120, 16837515, 17960016, 18905280, 22450020, 22686336, 22927680, 23946688, 26940024, 28357920, 29933360, 33675030, 35920032, 37810560, 44900040, 45855360, 47893376, 53880048, 56715840, 59866720, 67350060, 71840064, 89800080, 107760096, 113431680, 119733440, 134700120, 143680128, 179600160, 215520192, 239466880, 269400240, 359200320, 431040384, 538800480, 718400640, 1077600960, 2155201920]

約数ペア:

[(1, 2155201920), (2, 1077600960), (3, 718400640), (4, 538800480), (5, 431040384), (6, 359200320), (8, 269400240), (9, 239466880), (10, 215520192), (12, 179600160), (15, 143680128), (16, 134700120), (18, 119733440), (19, 113431680), (20, 107760096), (24, 89800080), (30, 71840064), (32, 67350060), (36, 59866720), (38, 56715840), (40, 53880048), (45, 47893376), (47, 45855360), (48, 44900040), (57, 37810560), (60, 35920032), (64, 33675030), (72, 29933360), (76, 28357920), (80, 26940024), (90, 23946688), (94, 22927680), (95, 22686336), (96, 22450020), (114, 18905280), (120, 17960016), (128, 16837515), (141, 15285120), (144, 14966680), (152, 14178960), (160, 13470012), (171, 12603520), (180, 11973344), (188, 11463840), (190, 11343168), (192, 11225010), (228, 9452640), (235, 9171072), (240, 8980008), (282, 7642560), (285, 7562112), (288, 7483340), (304, 7089480), (320, 6735006), (342, 6301760), (360, 5986672), (376, 5731920), (380, 5671584), (384, 5612505), (419, 5143680), (423, 5095040), (456, 4726320), (470, 4585536), (480, 4490004), (564, 3821280), (570, 3781056), (576, 3741670), (608, 3544740), (640, 3367503), (684, 3150880), (705, 3057024), (720, 2993336), (752, 2865960), (760, 2835792), (838, 2571840), (846, 2547520), (855, 2520704), (893, 2413440), (912, 2363160), (940, 2292768), (960, 2245002), (1128, 1910640), (1140, 1890528), (1152, 1870835), (1216, 1772370), (1257, 1714560), (1368, 1575440), (1410, 1528512), (1440, 1496668), (1504, 1432980), (1520, 1417896), (1676, 1285920), (1692, 1273760), (1710, 1260352), (1786, 1206720), (1824, 1181580), (1880, 1146384), (1920, 1122501), (2095, 1028736), (2115, 1019008), (2256, 955320), (2280, 945264), (2432, 886185), (2514, 857280), (2679, 804480), (2736, 787720), (2820, 764256), (2880, 748334), (3008, 716490), (3040, 708948), (3352, 642960), (3384, 636880), (3420, 630176), (3572, 603360), (3648, 590790), (3760, 573192), (3771, 571520), (4190, 514368), (4230, 509504), (4465, 482688), (4512, 477660), (4560, 472632), (5028, 428640), (5358, 402240), (5472, 393860), (5640, 382128), (5760, 374167), (6016, 358245), (6080, 354474), (6285, 342912), (6704, 321480), (6768, 318440), (6840, 315088), (7144, 301680), (7296, 295395), (7520, 286596), (7542, 285760), (7961, 270720), (8037, 268160), (8380, 257184), (8460, 254752), (8930, 241344), (9024, 238830), (9120, 236316), (10056, 214320), (10716, 201120), (10944, 196930), (11280, 191064), (12160, 177237), (12570, 171456), (13395, 160896), (13408, 160740), (13536, 159220), (13680, 157544), (14288, 150840), (15040, 143298), (15084, 142880), (15922, 135360), (16074, 134080), (16760, 128592), (16920, 127376), (17860, 120672), (18048, 119415), (18240, 118158), (18855, 114304), (19693, 109440), (20112, 107160), (21432, 100560), (21888, 98465), (22560, 95532), (23883, 90240), (25140, 85728), (26790, 80448), (26816, 80370), (27072, 79610), (27360, 78772), (28576, 75420), (30080, 71649), (30168, 71440), (31844, 67680), (32148, 67040), (33520, 64296), (33840, 63688), (35720, 60336), (36480, 59079), (37710, 57152), (39386, 54720), (39805, 54144), (40185, 53632), (40224, 53580), (42864, 50280), (45120, 47766)]