61811820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{49057}}^1$

素因数の和:49079

約数の個数: 72

約数和(自身を含む): 214285344

約数和(自身を除く): 152473524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 49057, 98114, 147171, 196228, 245285, 294342, 343399, 441513, 490570, 588684, 686798, 735855, 883026, 981140, 1030197, 1373596, 1471710, 1716995, 1766052, 2060394, 2207565, 2943420, 3090591, 3433990, 4120788, 4415130, 5150985, 6181182, 6867980, 8830260, 10301970, 12362364, 15452955, 20603940, 30905910, 61811820]

約数ペア:

[(1, 61811820), (2, 30905910), (3, 20603940), (4, 15452955), (5, 12362364), (6, 10301970), (7, 8830260), (9, 6867980), (10, 6181182), (12, 5150985), (14, 4415130), (15, 4120788), (18, 3433990), (20, 3090591), (21, 2943420), (28, 2207565), (30, 2060394), (35, 1766052), (36, 1716995), (42, 1471710), (45, 1373596), (60, 1030197), (63, 981140), (70, 883026), (84, 735855), (90, 686798), (105, 588684), (126, 490570), (140, 441513), (180, 343399), (210, 294342), (252, 245285), (315, 196228), (420, 147171), (630, 98114), (1260, 49057)]