920790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 2581488

約数和(自身を除く): 1660698

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 787, 1170, 1574, 2361, 3935, 4722, 7083, 7870, 10231, 11805, 14166, 20462, 23610, 30693, 35415, 51155, 61386, 70830, 92079, 102310, 153465, 184158, 306930, 460395, 920790]

約数ペア:

[(1, 920790), (2, 460395), (3, 306930), (5, 184158), (6, 153465), (9, 102310), (10, 92079), (13, 70830), (15, 61386), (18, 51155), (26, 35415), (30, 30693), (39, 23610), (45, 20462), (65, 14166), (78, 11805), (90, 10231), (117, 7870), (130, 7083), (195, 4722), (234, 3935), (390, 2361), (585, 1574), (787, 1170)]