128811420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9803}}^1$

素因数の和:9891

約数の個数: 72

約数和(自身を含む): 396120816

約数和(自身を除く): 267309396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 9803, 13140, 19606, 29409, 39212, 49015, 58818, 88227, 98030, 117636, 147045, 176454, 196060, 294090, 352908, 441135, 588180, 715619, 882270, 1431238, 1764540, 2146857, 2862476, 3578095, 4293714, 6440571, 7156190, 8587428, 10734285, 12881142, 14312380, 21468570, 25762284, 32202855, 42937140, 64405710, 128811420]

約数ペア:

[(1, 128811420), (2, 64405710), (3, 42937140), (4, 32202855), (5, 25762284), (6, 21468570), (9, 14312380), (10, 12881142), (12, 10734285), (15, 8587428), (18, 7156190), (20, 6440571), (30, 4293714), (36, 3578095), (45, 2862476), (60, 2146857), (73, 1764540), (90, 1431238), (146, 882270), (180, 715619), (219, 588180), (292, 441135), (365, 352908), (438, 294090), (657, 196060), (730, 176454), (876, 147045), (1095, 117636), (1314, 98030), (1460, 88227), (2190, 58818), (2628, 49015), (3285, 39212), (4380, 29409), (6570, 19606), (9803, 13140)]