18162560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 48837600

約数和(自身を除く): 30675040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 59, 64, 65, 74, 80, 104, 118, 128, 130, 148, 160, 185, 208, 236, 260, 295, 296, 320, 370, 416, 472, 481, 520, 590, 592, 640, 740, 767, 832, 944, 962, 1040, 1180, 1184, 1480, 1534, 1664, 1888, 1924, 2080, 2183, 2360, 2368, 2405, 2960, 3068, 3776, 3835, 3848, 4160, 4366, 4720, 4736, 4810, 5920, 6136, 7552, 7670, 7696, 8320, 8732, 9440, 9620, 10915, 11840, 12272, 15340, 15392, 17464, 18880, 19240, 21830, 23680, 24544, 28379, 30680, 30784, 34928, 37760, 38480, 43660, 49088, 56758, 61360, 61568, 69856, 76960, 87320, 98176, 113516, 122720, 139712, 141895, 153920, 174640, 227032, 245440, 279424, 283790, 307840, 349280, 454064, 490880, 567580, 698560, 908128, 1135160, 1397120, 1816256, 2270320, 3632512, 4540640, 9081280, 18162560]

約数ペア:

[(1, 18162560), (2, 9081280), (4, 4540640), (5, 3632512), (8, 2270320), (10, 1816256), (13, 1397120), (16, 1135160), (20, 908128), (26, 698560), (32, 567580), (37, 490880), (40, 454064), (52, 349280), (59, 307840), (64, 283790), (65, 279424), (74, 245440), (80, 227032), (104, 174640), (118, 153920), (128, 141895), (130, 139712), (148, 122720), (160, 113516), (185, 98176), (208, 87320), (236, 76960), (260, 69856), (295, 61568), (296, 61360), (320, 56758), (370, 49088), (416, 43660), (472, 38480), (481, 37760), (520, 34928), (590, 30784), (592, 30680), (640, 28379), (740, 24544), (767, 23680), (832, 21830), (944, 19240), (962, 18880), (1040, 17464), (1180, 15392), (1184, 15340), (1480, 12272), (1534, 11840), (1664, 10915), (1888, 9620), (1924, 9440), (2080, 8732), (2183, 8320), (2360, 7696), (2368, 7670), (2405, 7552), (2960, 6136), (3068, 5920), (3776, 4810), (3835, 4736), (3848, 4720), (4160, 4366)]