157720620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{1787}}^1$

素因数の和:3270

約数の個数: 48

約数和(自身を含む): 442165248

約数和(自身を除く): 284444628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1471, 1787, 2942, 3574, 4413, 5361, 5884, 7148, 7355, 8826, 8935, 10722, 14710, 17652, 17870, 21444, 22065, 26805, 29420, 35740, 44130, 53610, 88260, 107220, 2628677, 5257354, 7886031, 10514708, 13143385, 15772062, 26286770, 31544124, 39430155, 52573540, 78860310, 157720620]

約数ペア:

[(1, 157720620), (2, 78860310), (3, 52573540), (4, 39430155), (5, 31544124), (6, 26286770), (10, 15772062), (12, 13143385), (15, 10514708), (20, 7886031), (30, 5257354), (60, 2628677), (1471, 107220), (1787, 88260), (2942, 53610), (3574, 44130), (4413, 35740), (5361, 29420), (5884, 26805), (7148, 22065), (7355, 21444), (8826, 17870), (8935, 17652), (10722, 14710)]