155984680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1229}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 371952000

約数和(自身を除く): 215967320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 668, 760, 835, 1229, 1336, 1670, 2458, 3173, 3340, 4916, 6145, 6346, 6680, 9832, 12290, 12692, 15865, 23351, 24580, 25384, 31730, 46702, 49160, 63460, 93404, 116755, 126920, 186808, 205243, 233510, 410486, 467020, 820972, 934040, 1026215, 1641944, 2052430, 3899617, 4104860, 7799234, 8209720, 15598468, 19498085, 31196936, 38996170, 77992340, 155984680]

約数ペア:

[(1, 155984680), (2, 77992340), (4, 38996170), (5, 31196936), (8, 19498085), (10, 15598468), (19, 8209720), (20, 7799234), (38, 4104860), (40, 3899617), (76, 2052430), (95, 1641944), (152, 1026215), (167, 934040), (190, 820972), (334, 467020), (380, 410486), (668, 233510), (760, 205243), (835, 186808), (1229, 126920), (1336, 116755), (1670, 93404), (2458, 63460), (3173, 49160), (3340, 46702), (4916, 31730), (6145, 25384), (6346, 24580), (6680, 23351), (9832, 15865), (12290, 12692)]