72550640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 175006656

約数和(自身を除く): 102456016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 241, 265, 284, 355, 424, 482, 530, 568, 710, 848, 964, 1060, 1136, 1205, 1420, 1928, 2120, 2410, 2840, 3763, 3856, 4240, 4820, 5680, 7526, 9640, 12773, 15052, 17111, 18815, 19280, 25546, 30104, 34222, 37630, 51092, 60208, 63865, 68444, 75260, 85555, 102184, 127730, 136888, 150520, 171110, 204368, 255460, 273776, 301040, 342220, 510920, 684440, 906883, 1021840, 1368880, 1813766, 3627532, 4534415, 7255064, 9068830, 14510128, 18137660, 36275320, 72550640]

約数ペア:

[(1, 72550640), (2, 36275320), (4, 18137660), (5, 14510128), (8, 9068830), (10, 7255064), (16, 4534415), (20, 3627532), (40, 1813766), (53, 1368880), (71, 1021840), (80, 906883), (106, 684440), (142, 510920), (212, 342220), (241, 301040), (265, 273776), (284, 255460), (355, 204368), (424, 171110), (482, 150520), (530, 136888), (568, 127730), (710, 102184), (848, 85555), (964, 75260), (1060, 68444), (1136, 63865), (1205, 60208), (1420, 51092), (1928, 37630), (2120, 34222), (2410, 30104), (2840, 25546), (3763, 19280), (3856, 18815), (4240, 17111), (4820, 15052), (5680, 12773), (7526, 9640)]