120268360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 276595200

約数和(自身を除く): 156326840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 194, 223, 278, 388, 446, 485, 556, 695, 776, 892, 970, 1112, 1115, 1390, 1784, 1940, 2230, 2780, 3880, 4460, 5560, 8920, 13483, 21631, 26966, 30997, 43262, 53932, 61994, 67415, 86524, 107864, 108155, 123988, 134830, 154985, 173048, 216310, 247976, 269660, 309970, 432620, 539320, 619940, 865240, 1239880, 3006709, 6013418, 12026836, 15033545, 24053672, 30067090, 60134180, 120268360]

約数ペア:

[(1, 120268360), (2, 60134180), (4, 30067090), (5, 24053672), (8, 15033545), (10, 12026836), (20, 6013418), (40, 3006709), (97, 1239880), (139, 865240), (194, 619940), (223, 539320), (278, 432620), (388, 309970), (446, 269660), (485, 247976), (556, 216310), (695, 173048), (776, 154985), (892, 134830), (970, 123988), (1112, 108155), (1115, 107864), (1390, 86524), (1784, 67415), (1940, 61994), (2230, 53932), (2780, 43262), (3880, 30997), (4460, 26966), (5560, 21631), (8920, 13483)]