407340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 1292928

約数和(自身を除く): 885588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 124, 146, 155, 180, 186, 219, 279, 292, 310, 365, 372, 438, 465, 558, 620, 657, 730, 876, 930, 1095, 1116, 1314, 1395, 1460, 1860, 2190, 2263, 2628, 2790, 3285, 4380, 4526, 5580, 6570, 6789, 9052, 11315, 13140, 13578, 20367, 22630, 27156, 33945, 40734, 45260, 67890, 81468, 101835, 135780, 203670, 407340]

約数ペア:

[(1, 407340), (2, 203670), (3, 135780), (4, 101835), (5, 81468), (6, 67890), (9, 45260), (10, 40734), (12, 33945), (15, 27156), (18, 22630), (20, 20367), (30, 13578), (31, 13140), (36, 11315), (45, 9052), (60, 6789), (62, 6570), (73, 5580), (90, 4526), (93, 4380), (124, 3285), (146, 2790), (155, 2628), (180, 2263), (186, 2190), (219, 1860), (279, 1460), (292, 1395), (310, 1314), (365, 1116), (372, 1095), (438, 930), (465, 876), (558, 730), (620, 657)]