1397120

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 3488400

約数和(自身を除く): 2091280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 59, 64, 74, 80, 118, 128, 148, 160, 185, 236, 295, 296, 320, 370, 472, 590, 592, 640, 740, 944, 1180, 1184, 1480, 1888, 2183, 2360, 2368, 2960, 3776, 4366, 4720, 4736, 5920, 7552, 8732, 9440, 10915, 11840, 17464, 18880, 21830, 23680, 34928, 37760, 43660, 69856, 87320, 139712, 174640, 279424, 349280, 698560, 1397120]

約数ペア:

[(1, 1397120), (2, 698560), (4, 349280), (5, 279424), (8, 174640), (10, 139712), (16, 87320), (20, 69856), (32, 43660), (37, 37760), (40, 34928), (59, 23680), (64, 21830), (74, 18880), (80, 17464), (118, 11840), (128, 10915), (148, 9440), (160, 8732), (185, 7552), (236, 5920), (295, 4736), (296, 4720), (320, 4366), (370, 3776), (472, 2960), (590, 2368), (592, 2360), (640, 2183), (740, 1888), (944, 1480), (1180, 1184)]