72436280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4241}}^1$

素因数の和:4320

約数の個数: 64

約数和(自身を含む): 189362880

約数和(自身を除く): 116926600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4241, 4270, 8482, 8540, 16964, 17080, 21205, 29687, 33928, 42410, 59374, 84820, 118748, 148435, 169640, 237496, 258701, 296870, 517402, 593740, 1034804, 1187480, 1293505, 1810907, 2069608, 2587010, 3621814, 5174020, 7243628, 9054535, 10348040, 14487256, 18109070, 36218140, 72436280]

約数ペア:

[(1, 72436280), (2, 36218140), (4, 18109070), (5, 14487256), (7, 10348040), (8, 9054535), (10, 7243628), (14, 5174020), (20, 3621814), (28, 2587010), (35, 2069608), (40, 1810907), (56, 1293505), (61, 1187480), (70, 1034804), (122, 593740), (140, 517402), (244, 296870), (280, 258701), (305, 237496), (427, 169640), (488, 148435), (610, 118748), (854, 84820), (1220, 59374), (1708, 42410), (2135, 33928), (2440, 29687), (3416, 21205), (4241, 17080), (4270, 16964), (8482, 8540)]