56427540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 172655616

約数和(自身を除く): 116228076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 365, 390, 438, 730, 780, 876, 949, 991, 1095, 1460, 1898, 1982, 2190, 2847, 2973, 3796, 3964, 4380, 4745, 4955, 5694, 5946, 9490, 9910, 11388, 11892, 12883, 14235, 14865, 18980, 19820, 25766, 28470, 29730, 38649, 51532, 56940, 59460, 64415, 72343, 77298, 128830, 144686, 154596, 193245, 217029, 257660, 289372, 361715, 386490, 434058, 723430, 772980, 868116, 940459, 1085145, 1446860, 1880918, 2170290, 2821377, 3761836, 4340580, 4702295, 5642754, 9404590, 11285508, 14106885, 18809180, 28213770, 56427540]

約数ペア:

[(1, 56427540), (2, 28213770), (3, 18809180), (4, 14106885), (5, 11285508), (6, 9404590), (10, 5642754), (12, 4702295), (13, 4340580), (15, 3761836), (20, 2821377), (26, 2170290), (30, 1880918), (39, 1446860), (52, 1085145), (60, 940459), (65, 868116), (73, 772980), (78, 723430), (130, 434058), (146, 386490), (156, 361715), (195, 289372), (219, 257660), (260, 217029), (292, 193245), (365, 154596), (390, 144686), (438, 128830), (730, 77298), (780, 72343), (876, 64415), (949, 59460), (991, 56940), (1095, 51532), (1460, 38649), (1898, 29730), (1982, 28470), (2190, 25766), (2847, 19820), (2973, 18980), (3796, 14865), (3964, 14235), (4380, 12883), (4745, 11892), (4955, 11388), (5694, 9910), (5946, 9490)]