1272397440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17911}}^1$

素因数の和:17970

約数の個数: 128

約数和(自身を含む): 4165614720

約数和(自身を除く): 2893217280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 4440, 4736, 5920, 7104, 8880, 11840, 14208, 17760, 17911, 23680, 35520, 35822, 53733, 71040, 71644, 89555, 107466, 143288, 179110, 214932, 268665, 286576, 358220, 429864, 537330, 573152, 662707, 716440, 859728, 1074660, 1146304, 1325414, 1432880, 1719456, 1988121, 2149320, 2292608, 2650828, 2865760, 3313535, 3438912, 3976242, 4298640, 5301656, 5731520, 6627070, 6877824, 7952484, 8597280, 9940605, 10603312, 11463040, 13254140, 15904968, 17194560, 19881210, 21206624, 26508280, 31809936, 34389120, 39762420, 42413248, 53016560, 63619872, 79524840, 84826496, 106033120, 127239744, 159049680, 212066240, 254479488, 318099360, 424132480, 636198720, 1272397440]

約数ペア:

[(1, 1272397440), (2, 636198720), (3, 424132480), (4, 318099360), (5, 254479488), (6, 212066240), (8, 159049680), (10, 127239744), (12, 106033120), (15, 84826496), (16, 79524840), (20, 63619872), (24, 53016560), (30, 42413248), (32, 39762420), (37, 34389120), (40, 31809936), (48, 26508280), (60, 21206624), (64, 19881210), (74, 17194560), (80, 15904968), (96, 13254140), (111, 11463040), (120, 10603312), (128, 9940605), (148, 8597280), (160, 7952484), (185, 6877824), (192, 6627070), (222, 5731520), (240, 5301656), (296, 4298640), (320, 3976242), (370, 3438912), (384, 3313535), (444, 2865760), (480, 2650828), (555, 2292608), (592, 2149320), (640, 1988121), (740, 1719456), (888, 1432880), (960, 1325414), (1110, 1146304), (1184, 1074660), (1480, 859728), (1776, 716440), (1920, 662707), (2220, 573152), (2368, 537330), (2960, 429864), (3552, 358220), (4440, 286576), (4736, 268665), (5920, 214932), (7104, 179110), (8880, 143288), (11840, 107466), (14208, 89555), (17760, 71644), (17911, 71040), (23680, 53733), (35520, 35822)]