31526040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 128

約数和(自身を含む): 116444160

約数和(自身を除く): 84918120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2887, 3640, 5460, 5774, 8661, 10920, 11548, 14435, 17322, 20209, 23096, 28870, 34644, 37531, 40418, 43305, 57740, 60627, 69288, 75062, 80836, 86610, 101045, 112593, 115480, 121254, 150124, 161672, 173220, 187655, 202090, 225186, 242508, 262717, 300248, 303135, 346440, 375310, 404180, 450372, 485016, 525434, 562965, 606270, 750620, 788151, 808360, 900744, 1050868, 1125930, 1212540, 1313585, 1501240, 1576302, 2101736, 2251860, 2425080, 2627170, 3152604, 3940755, 4503720, 5254340, 6305208, 7881510, 10508680, 15763020, 31526040]

約数ペア:

[(1, 31526040), (2, 15763020), (3, 10508680), (4, 7881510), (5, 6305208), (6, 5254340), (7, 4503720), (8, 3940755), (10, 3152604), (12, 2627170), (13, 2425080), (14, 2251860), (15, 2101736), (20, 1576302), (21, 1501240), (24, 1313585), (26, 1212540), (28, 1125930), (30, 1050868), (35, 900744), (39, 808360), (40, 788151), (42, 750620), (52, 606270), (56, 562965), (60, 525434), (65, 485016), (70, 450372), (78, 404180), (84, 375310), (91, 346440), (104, 303135), (105, 300248), (120, 262717), (130, 242508), (140, 225186), (156, 202090), (168, 187655), (182, 173220), (195, 161672), (210, 150124), (260, 121254), (273, 115480), (280, 112593), (312, 101045), (364, 86610), (390, 80836), (420, 75062), (455, 69288), (520, 60627), (546, 57740), (728, 43305), (780, 40418), (840, 37531), (910, 34644), (1092, 28870), (1365, 23096), (1560, 20209), (1820, 17322), (2184, 14435), (2730, 11548), (2887, 10920), (3640, 8661), (5460, 5774)]