64920760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 150698880

約数和(自身を除く): 85778120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 113, 212, 226, 265, 271, 424, 452, 530, 542, 565, 904, 1060, 1084, 1130, 1355, 2120, 2168, 2260, 2710, 4520, 5420, 5989, 10840, 11978, 14363, 23956, 28726, 29945, 30623, 47912, 57452, 59890, 61246, 71815, 114904, 119780, 122492, 143630, 153115, 239560, 244984, 287260, 306230, 574520, 612460, 1224920, 1623019, 3246038, 6492076, 8115095, 12984152, 16230190, 32460380, 64920760]

約数ペア:

[(1, 64920760), (2, 32460380), (4, 16230190), (5, 12984152), (8, 8115095), (10, 6492076), (20, 3246038), (40, 1623019), (53, 1224920), (106, 612460), (113, 574520), (212, 306230), (226, 287260), (265, 244984), (271, 239560), (424, 153115), (452, 143630), (530, 122492), (542, 119780), (565, 114904), (904, 71815), (1060, 61246), (1084, 59890), (1130, 57452), (1355, 47912), (2120, 30623), (2168, 29945), (2260, 28726), (2710, 23956), (4520, 14363), (5420, 11978), (5989, 10840)]