28663380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2773

約数の個数: 72

約数和(自身を含む): 88452000

約数和(自身を除く): 59788620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2699, 3540, 5310, 5398, 8097, 10620, 10796, 13495, 16194, 24291, 26990, 32388, 40485, 48582, 53980, 80970, 97164, 121455, 159241, 161940, 242910, 318482, 477723, 485820, 636964, 796205, 955446, 1433169, 1592410, 1910892, 2388615, 2866338, 3184820, 4777230, 5732676, 7165845, 9554460, 14331690, 28663380]

約数ペア:

[(1, 28663380), (2, 14331690), (3, 9554460), (4, 7165845), (5, 5732676), (6, 4777230), (9, 3184820), (10, 2866338), (12, 2388615), (15, 1910892), (18, 1592410), (20, 1433169), (30, 955446), (36, 796205), (45, 636964), (59, 485820), (60, 477723), (90, 318482), (118, 242910), (177, 161940), (180, 159241), (236, 121455), (295, 97164), (354, 80970), (531, 53980), (590, 48582), (708, 40485), (885, 32388), (1062, 26990), (1180, 24291), (1770, 16194), (2124, 13495), (2655, 10796), (2699, 10620), (3540, 8097), (5310, 5398)]