1261651680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{809}}^1$

素因数の和:871

約数の個数: 288

約数和(自身を含む): 4666183200

約数和(自身を除く): 3404531520

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, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 361, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 722, 760, 809, 855, 864, 912, 1026, 1080, 1083, 1140, 1368, 1440, 1444, 1520, 1618, 1710, 1805, 1824, 2052, 2160, 2166, 2280, 2427, 2565, 2736, 2888, 3040, 3236, 3249, 3420, 3610, 4045, 4104, 4320, 4332, 4560, 4854, 5130, 5415, 5472, 5776, 6472, 6498, 6840, 7220, 7281, 8090, 8208, 8664, 9120, 9708, 9747, 10260, 10830, 11552, 12135, 12944, 12996, 13680, 14440, 14562, 15371, 16180, 16245, 16416, 17328, 19416, 19494, 20520, 21660, 21843, 24270, 25888, 25992, 27360, 28880, 29124, 30742, 32360, 32490, 34656, 36405, 38832, 38988, 41040, 43320, 43686, 46113, 48540, 48735, 51984, 57760, 58248, 61484, 64720, 64980, 72810, 76855, 77664, 77976, 82080, 86640, 87372, 92226, 97080, 97470, 103968, 109215, 116496, 122968, 129440, 129960, 138339, 145620, 153710, 155952, 173280, 174744, 184452, 194160, 194940, 218430, 230565, 232992, 245936, 259920, 276678, 291240, 292049, 307420, 311904, 349488, 368904, 388320, 389880, 415017, 436860, 461130, 491872, 519840, 553356, 582480, 584098, 614840, 691695, 698976, 737808, 779760, 830034, 873720, 876147, 922260, 1106712, 1164960, 1168196, 1229680, 1383390, 1460245, 1475616, 1559520, 1660068, 1747440, 1752294, 1844520, 2075085, 2213424, 2336392, 2459360, 2628441, 2766780, 2920490, 3320136, 3494880, 3504588, 3689040, 4150170, 4380735, 4426848, 4672784, 5256882, 5533560, 5840980, 6640272, 7009176, 7378080, 7885323, 8300340, 8761470, 9345568, 10513764, 11067120, 11681960, 13142205, 13280544, 14018352, 15770646, 16600680, 17522940, 21027528, 22134240, 23363920, 26284410, 28036704, 31541292, 33201360, 35045880, 39426615, 42055056, 46727840, 52568820, 63082584, 66402720, 70091760, 78853230, 84110112, 105137640, 126165168, 140183520, 157706460, 210275280, 252330336, 315412920, 420550560, 630825840, 1261651680]

約数ペア:

[(1, 1261651680), (2, 630825840), (3, 420550560), (4, 315412920), (5, 252330336), (6, 210275280), (8, 157706460), (9, 140183520), (10, 126165168), (12, 105137640), (15, 84110112), (16, 78853230), (18, 70091760), (19, 66402720), (20, 63082584), (24, 52568820), (27, 46727840), (30, 42055056), (32, 39426615), (36, 35045880), (38, 33201360), (40, 31541292), (45, 28036704), (48, 26284410), (54, 23363920), (57, 22134240), (60, 21027528), (72, 17522940), (76, 16600680), (80, 15770646), (90, 14018352), (95, 13280544), (96, 13142205), (108, 11681960), (114, 11067120), (120, 10513764), (135, 9345568), (144, 8761470), (152, 8300340), (160, 7885323), (171, 7378080), (180, 7009176), (190, 6640272), (216, 5840980), (228, 5533560), (240, 5256882), (270, 4672784), (285, 4426848), (288, 4380735), (304, 4150170), (342, 3689040), (360, 3504588), (361, 3494880), (380, 3320136), (432, 2920490), (456, 2766780), (480, 2628441), (513, 2459360), (540, 2336392), (570, 2213424), (608, 2075085), (684, 1844520), (720, 1752294), (722, 1747440), (760, 1660068), (809, 1559520), (855, 1475616), (864, 1460245), (912, 1383390), (1026, 1229680), (1080, 1168196), (1083, 1164960), (1140, 1106712), (1368, 922260), (1440, 876147), (1444, 873720), (1520, 830034), (1618, 779760), (1710, 737808), (1805, 698976), (1824, 691695), (2052, 614840), (2160, 584098), (2166, 582480), (2280, 553356), (2427, 519840), (2565, 491872), (2736, 461130), (2888, 436860), (3040, 415017), (3236, 389880), (3249, 388320), (3420, 368904), (3610, 349488), (4045, 311904), (4104, 307420), (4320, 292049), (4332, 291240), (4560, 276678), (4854, 259920), (5130, 245936), (5415, 232992), (5472, 230565), (5776, 218430), (6472, 194940), (6498, 194160), (6840, 184452), (7220, 174744), (7281, 173280), (8090, 155952), (8208, 153710), (8664, 145620), (9120, 138339), (9708, 129960), (9747, 129440), (10260, 122968), (10830, 116496), (11552, 109215), (12135, 103968), (12944, 97470), (12996, 97080), (13680, 92226), (14440, 87372), (14562, 86640), (15371, 82080), (16180, 77976), (16245, 77664), (16416, 76855), (17328, 72810), (19416, 64980), (19494, 64720), (20520, 61484), (21660, 58248), (21843, 57760), (24270, 51984), (25888, 48735), (25992, 48540), (27360, 46113), (28880, 43686), (29124, 43320), (30742, 41040), (32360, 38988), (32490, 38832), (34656, 36405)]