280374120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:600

約数の個数: 192

約数和(自身を含む): 990662400

約数和(自身を除く): 710288280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 139, 156, 180, 195, 234, 260, 278, 312, 360, 390, 417, 431, 468, 520, 556, 585, 695, 780, 834, 862, 936, 1112, 1170, 1251, 1293, 1390, 1560, 1668, 1724, 1807, 2085, 2155, 2340, 2502, 2586, 2780, 3336, 3448, 3614, 3879, 4170, 4310, 4680, 5004, 5172, 5421, 5560, 5603, 6255, 6465, 7228, 7758, 8340, 8620, 9035, 10008, 10344, 10842, 11206, 12510, 12930, 14456, 15516, 16263, 16680, 16809, 17240, 18070, 19395, 21684, 22412, 25020, 25860, 27105, 28015, 31032, 32526, 33618, 36140, 38790, 43368, 44824, 50040, 50427, 51720, 54210, 56030, 59909, 65052, 67236, 72280, 77580, 81315, 84045, 100854, 108420, 112060, 119818, 130104, 134472, 155160, 162630, 168090, 179727, 201708, 216840, 224120, 239636, 252135, 299545, 325260, 336180, 359454, 403416, 479272, 504270, 539181, 599090, 650520, 672360, 718908, 778817, 898635, 1008540, 1078362, 1198180, 1437816, 1557634, 1797270, 2017080, 2156724, 2336451, 2396360, 2695905, 3115268, 3594540, 3894085, 4313448, 4672902, 5391810, 6230536, 7009353, 7189080, 7788170, 9345804, 10783620, 11682255, 14018706, 15576340, 18691608, 21567240, 23364510, 28037412, 31152680, 35046765, 46729020, 56074824, 70093530, 93458040, 140187060, 280374120]

約数ペア:

[(1, 280374120), (2, 140187060), (3, 93458040), (4, 70093530), (5, 56074824), (6, 46729020), (8, 35046765), (9, 31152680), (10, 28037412), (12, 23364510), (13, 21567240), (15, 18691608), (18, 15576340), (20, 14018706), (24, 11682255), (26, 10783620), (30, 9345804), (36, 7788170), (39, 7189080), (40, 7009353), (45, 6230536), (52, 5391810), (60, 4672902), (65, 4313448), (72, 3894085), (78, 3594540), (90, 3115268), (104, 2695905), (117, 2396360), (120, 2336451), (130, 2156724), (139, 2017080), (156, 1797270), (180, 1557634), (195, 1437816), (234, 1198180), (260, 1078362), (278, 1008540), (312, 898635), (360, 778817), (390, 718908), (417, 672360), (431, 650520), (468, 599090), (520, 539181), (556, 504270), (585, 479272), (695, 403416), (780, 359454), (834, 336180), (862, 325260), (936, 299545), (1112, 252135), (1170, 239636), (1251, 224120), (1293, 216840), (1390, 201708), (1560, 179727), (1668, 168090), (1724, 162630), (1807, 155160), (2085, 134472), (2155, 130104), (2340, 119818), (2502, 112060), (2586, 108420), (2780, 100854), (3336, 84045), (3448, 81315), (3614, 77580), (3879, 72280), (4170, 67236), (4310, 65052), (4680, 59909), (5004, 56030), (5172, 54210), (5421, 51720), (5560, 50427), (5603, 50040), (6255, 44824), (6465, 43368), (7228, 38790), (7758, 36140), (8340, 33618), (8620, 32526), (9035, 31032), (10008, 28015), (10344, 27105), (10842, 25860), (11206, 25020), (12510, 22412), (12930, 21684), (14456, 19395), (15516, 18070), (16263, 17240), (16680, 16809)]