51389460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{285497}}^1$

素因数の和:285512

約数の個数: 36

約数和(自身を含む): 155881908

約数和(自身を除く): 104492448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 285497, 570994, 856491, 1141988, 1427485, 1712982, 2569473, 2854970, 3425964, 4282455, 5138946, 5709940, 8564910, 10277892, 12847365, 17129820, 25694730, 51389460]

約数ペア:

[(1, 51389460), (2, 25694730), (3, 17129820), (4, 12847365), (5, 10277892), (6, 8564910), (9, 5709940), (10, 5138946), (12, 4282455), (15, 3425964), (18, 2854970), (20, 2569473), (30, 1712982), (36, 1427485), (45, 1141988), (60, 856491), (90, 570994), (180, 285497)]