389715840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1234

約数の個数: 256

約数和(自身を含む): 1454112000

約数和(自身を除く): 1064396160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1187, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2374, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3561, 3648, 4104, 4320, 4560, 4748, 5130, 5472, 5760, 5935, 6080, 6840, 7122, 7296, 8208, 8640, 9120, 9496, 10260, 10683, 10944, 11870, 12160, 13680, 14244, 16416, 17280, 17805, 18240, 18992, 20520, 21366, 21888, 22553, 23740, 27360, 28488, 32049, 32832, 35610, 36480, 37984, 41040, 42732, 45106, 47480, 53415, 54720, 56976, 64098, 65664, 67659, 71220, 75968, 82080, 85464, 90212, 94960, 106830, 109440, 112765, 113952, 128196, 135318, 142440, 151936, 160245, 164160, 170928, 180424, 189920, 202977, 213660, 225530, 227904, 256392, 270636, 284880, 320490, 328320, 338295, 341856, 360848, 379840, 405954, 427320, 451060, 455808, 512784, 541272, 569760, 608931, 640980, 676590, 683712, 721696, 759680, 811908, 854640, 902120, 1014885, 1025568, 1082544, 1139520, 1217862, 1281960, 1353180, 1367424, 1443392, 1623816, 1709280, 1804240, 2029770, 2051136, 2165088, 2279040, 2435724, 2563920, 2706360, 2886784, 3044655, 3247632, 3418560, 3608480, 4059540, 4102272, 4330176, 4871448, 5127840, 5412720, 6089310, 6495264, 6837120, 7216960, 8119080, 8660352, 9742896, 10255680, 10825440, 12178620, 12990528, 14433920, 16238160, 19485792, 20511360, 21650880, 24357240, 25981056, 32476320, 38971584, 43301760, 48714480, 64952640, 77943168, 97428960, 129905280, 194857920, 389715840]

約数ペア:

[(1, 389715840), (2, 194857920), (3, 129905280), (4, 97428960), (5, 77943168), (6, 64952640), (8, 48714480), (9, 43301760), (10, 38971584), (12, 32476320), (15, 25981056), (16, 24357240), (18, 21650880), (19, 20511360), (20, 19485792), (24, 16238160), (27, 14433920), (30, 12990528), (32, 12178620), (36, 10825440), (38, 10255680), (40, 9742896), (45, 8660352), (48, 8119080), (54, 7216960), (57, 6837120), (60, 6495264), (64, 6089310), (72, 5412720), (76, 5127840), (80, 4871448), (90, 4330176), (95, 4102272), (96, 4059540), (108, 3608480), (114, 3418560), (120, 3247632), (128, 3044655), (135, 2886784), (144, 2706360), (152, 2563920), (160, 2435724), (171, 2279040), (180, 2165088), (190, 2051136), (192, 2029770), (216, 1804240), (228, 1709280), (240, 1623816), (270, 1443392), (285, 1367424), (288, 1353180), (304, 1281960), (320, 1217862), (342, 1139520), (360, 1082544), (380, 1025568), (384, 1014885), (432, 902120), (456, 854640), (480, 811908), (513, 759680), (540, 721696), (570, 683712), (576, 676590), (608, 640980), (640, 608931), (684, 569760), (720, 541272), (760, 512784), (855, 455808), (864, 451060), (912, 427320), (960, 405954), (1026, 379840), (1080, 360848), (1140, 341856), (1152, 338295), (1187, 328320), (1216, 320490), (1368, 284880), (1440, 270636), (1520, 256392), (1710, 227904), (1728, 225530), (1824, 213660), (1920, 202977), (2052, 189920), (2160, 180424), (2280, 170928), (2374, 164160), (2432, 160245), (2565, 151936), (2736, 142440), (2880, 135318), (3040, 128196), (3420, 113952), (3456, 112765), (3561, 109440), (3648, 106830), (4104, 94960), (4320, 90212), (4560, 85464), (4748, 82080), (5130, 75968), (5472, 71220), (5760, 67659), (5935, 65664), (6080, 64098), (6840, 56976), (7122, 54720), (7296, 53415), (8208, 47480), (8640, 45106), (9120, 42732), (9496, 41040), (10260, 37984), (10683, 36480), (10944, 35610), (11870, 32832), (12160, 32049), (13680, 28488), (14244, 27360), (16416, 23740), (17280, 22553), (17805, 21888), (18240, 21366), (18992, 20520)]