30996440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 74908800

約数和(自身を除く): 43912360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 577, 632, 680, 790, 1154, 1343, 1580, 2308, 2686, 2885, 3160, 4616, 5372, 5770, 6715, 9809, 10744, 11540, 13430, 19618, 23080, 26860, 39236, 45583, 49045, 53720, 78472, 91166, 98090, 182332, 196180, 227915, 364664, 392360, 455830, 774911, 911660, 1549822, 1823320, 3099644, 3874555, 6199288, 7749110, 15498220, 30996440]

約数ペア:

[(1, 30996440), (2, 15498220), (4, 7749110), (5, 6199288), (8, 3874555), (10, 3099644), (17, 1823320), (20, 1549822), (34, 911660), (40, 774911), (68, 455830), (79, 392360), (85, 364664), (136, 227915), (158, 196180), (170, 182332), (316, 98090), (340, 91166), (395, 78472), (577, 53720), (632, 49045), (680, 45583), (790, 39236), (1154, 26860), (1343, 23080), (1580, 19618), (2308, 13430), (2686, 11540), (2885, 10744), (3160, 9809), (4616, 6715), (5372, 5770)]