31380712280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{84239}}^1$

素因数の和:84456

約数の個数: 64

約数和(自身を含む): 72176832000

約数和(自身を除く): 40796119720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 268, 278, 335, 536, 556, 670, 695, 1112, 1340, 1390, 2680, 2780, 5560, 9313, 18626, 37252, 46565, 74504, 84239, 93130, 168478, 186260, 336956, 372520, 421195, 673912, 842390, 1684780, 3369560, 5644013, 11288026, 11709221, 22576052, 23418442, 28220065, 45152104, 46836884, 56440130, 58546105, 93673768, 112880260, 117092210, 225760520, 234184420, 468368840, 784517807, 1569035614, 3138071228, 3922589035, 6276142456, 7845178070, 15690356140, 31380712280]

約数ペア:

[(1, 31380712280), (2, 15690356140), (4, 7845178070), (5, 6276142456), (8, 3922589035), (10, 3138071228), (20, 1569035614), (40, 784517807), (67, 468368840), (134, 234184420), (139, 225760520), (268, 117092210), (278, 112880260), (335, 93673768), (536, 58546105), (556, 56440130), (670, 46836884), (695, 45152104), (1112, 28220065), (1340, 23418442), (1390, 22576052), (2680, 11709221), (2780, 11288026), (5560, 5644013), (9313, 3369560), (18626, 1684780), (37252, 842390), (46565, 673912), (74504, 421195), (84239, 372520), (93130, 336956), (168478, 186260)]