56839640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 158457600

約数和(自身を除く): 101617960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 523, 572, 715, 760, 836, 988, 1045, 1046, 1144, 1235, 1430, 1672, 1976, 2090, 2092, 2470, 2615, 2717, 2860, 4180, 4184, 4940, 5230, 5434, 5720, 5753, 6799, 8360, 9880, 9937, 10460, 10868, 11506, 13585, 13598, 19874, 20920, 21736, 23012, 27170, 27196, 28765, 33995, 39748, 46024, 49685, 54340, 54392, 57530, 67990, 74789, 79496, 99370, 108680, 109307, 115060, 129181, 135980, 149578, 198740, 218614, 230120, 258362, 271960, 299156, 373945, 397480, 437228, 516724, 546535, 598312, 645905, 747890, 874456, 1033448, 1093070, 1291810, 1420991, 1495780, 2186140, 2583620, 2841982, 2991560, 4372280, 5167240, 5683964, 7104955, 11367928, 14209910, 28419820, 56839640]

約数ペア:

[(1, 56839640), (2, 28419820), (4, 14209910), (5, 11367928), (8, 7104955), (10, 5683964), (11, 5167240), (13, 4372280), (19, 2991560), (20, 2841982), (22, 2583620), (26, 2186140), (38, 1495780), (40, 1420991), (44, 1291810), (52, 1093070), (55, 1033448), (65, 874456), (76, 747890), (88, 645905), (95, 598312), (104, 546535), (110, 516724), (130, 437228), (143, 397480), (152, 373945), (190, 299156), (209, 271960), (220, 258362), (247, 230120), (260, 218614), (286, 198740), (380, 149578), (418, 135980), (440, 129181), (494, 115060), (520, 109307), (523, 108680), (572, 99370), (715, 79496), (760, 74789), (836, 67990), (988, 57530), (1045, 54392), (1046, 54340), (1144, 49685), (1235, 46024), (1430, 39748), (1672, 33995), (1976, 28765), (2090, 27196), (2092, 27170), (2470, 23012), (2615, 21736), (2717, 20920), (2860, 19874), (4180, 13598), (4184, 13585), (4940, 11506), (5230, 10868), (5434, 10460), (5720, 9937), (5753, 9880), (6799, 8360)]