61931940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{147457}}^1$

素因数の和:147476

約数の個数: 48

約数和(自身を含む): 198183552

約数和(自身を除く): 136251612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 147457, 294914, 442371, 589828, 737285, 884742, 1032199, 1474570, 1769484, 2064398, 2211855, 2949140, 3096597, 4128796, 4423710, 5160995, 6193194, 8847420, 10321990, 12386388, 15482985, 20643980, 30965970, 61931940]

約数ペア:

[(1, 61931940), (2, 30965970), (3, 20643980), (4, 15482985), (5, 12386388), (6, 10321990), (7, 8847420), (10, 6193194), (12, 5160995), (14, 4423710), (15, 4128796), (20, 3096597), (21, 2949140), (28, 2211855), (30, 2064398), (35, 1769484), (42, 1474570), (60, 1032199), (70, 884742), (84, 737285), (105, 589828), (140, 442371), (210, 294914), (420, 147457)]