2681304080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 7993488384

約数和(自身を除く): 5312184304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 109, 112, 124, 130, 140, 155, 182, 208, 217, 218, 248, 260, 280, 310, 364, 403, 434, 436, 455, 496, 520, 545, 560, 620, 728, 763, 806, 868, 872, 910, 1040, 1085, 1090, 1240, 1417, 1456, 1526, 1612, 1736, 1744, 1820, 2015, 2170, 2180, 2480, 2821, 2834, 3052, 3224, 3379, 3472, 3640, 3815, 4030, 4340, 4360, 5642, 5668, 6104, 6448, 6758, 7085, 7280, 7630, 8060, 8680, 8720, 9919, 11284, 11336, 11881, 12208, 13516, 14105, 14170, 15260, 16120, 16895, 17360, 19838, 22568, 22672, 23653, 23762, 27032, 28210, 28340, 30520, 32240, 33790, 39676, 43927, 45136, 47306, 47524, 49595, 54064, 56420, 56680, 59405, 61040, 67580, 79352, 83167, 87854, 94612, 95048, 99190, 112840, 113360, 118265, 118810, 135160, 154453, 158704, 166334, 175708, 189224, 190096, 198380, 219635, 225680, 236530, 237620, 270320, 307489, 308906, 332668, 351416, 368311, 378448, 396760, 415835, 439270, 473060, 475240, 614978, 617812, 665336, 702832, 736622, 772265, 793520, 831670, 878540, 946120, 950480, 1081171, 1229956, 1235624, 1330672, 1473244, 1537445, 1544530, 1663340, 1757080, 1841555, 1892240, 2162342, 2459912, 2471248, 2578177, 2946488, 3074890, 3089060, 3326680, 3514160, 3683110, 4324684, 4788043, 4919824, 5156354, 5405855, 5892976, 6149780, 6178120, 6653360, 7366220, 8649368, 9576086, 10312708, 10811710, 12299560, 12356240, 12890885, 14732440, 17298736, 19152172, 20625416, 21623420, 23940215, 24599120, 25781770, 29464880, 33516301, 38304344, 41250832, 43246840, 47880430, 51563540, 67032602, 76608688, 86493680, 95760860, 103127080, 134065204, 167581505, 191521720, 206254160, 268130408, 335163010, 383043440, 536260816, 670326020, 1340652040, 2681304080]

約数ペア:

[(1, 2681304080), (2, 1340652040), (4, 670326020), (5, 536260816), (7, 383043440), (8, 335163010), (10, 268130408), (13, 206254160), (14, 191521720), (16, 167581505), (20, 134065204), (26, 103127080), (28, 95760860), (31, 86493680), (35, 76608688), (40, 67032602), (52, 51563540), (56, 47880430), (62, 43246840), (65, 41250832), (70, 38304344), (80, 33516301), (91, 29464880), (104, 25781770), (109, 24599120), (112, 23940215), (124, 21623420), (130, 20625416), (140, 19152172), (155, 17298736), (182, 14732440), (208, 12890885), (217, 12356240), (218, 12299560), (248, 10811710), (260, 10312708), (280, 9576086), (310, 8649368), (364, 7366220), (403, 6653360), (434, 6178120), (436, 6149780), (455, 5892976), (496, 5405855), (520, 5156354), (545, 4919824), (560, 4788043), (620, 4324684), (728, 3683110), (763, 3514160), (806, 3326680), (868, 3089060), (872, 3074890), (910, 2946488), (1040, 2578177), (1085, 2471248), (1090, 2459912), (1240, 2162342), (1417, 1892240), (1456, 1841555), (1526, 1757080), (1612, 1663340), (1736, 1544530), (1744, 1537445), (1820, 1473244), (2015, 1330672), (2170, 1235624), (2180, 1229956), (2480, 1081171), (2821, 950480), (2834, 946120), (3052, 878540), (3224, 831670), (3379, 793520), (3472, 772265), (3640, 736622), (3815, 702832), (4030, 665336), (4340, 617812), (4360, 614978), (5642, 475240), (5668, 473060), (6104, 439270), (6448, 415835), (6758, 396760), (7085, 378448), (7280, 368311), (7630, 351416), (8060, 332668), (8680, 308906), (8720, 307489), (9919, 270320), (11284, 237620), (11336, 236530), (11881, 225680), (12208, 219635), (13516, 198380), (14105, 190096), (14170, 189224), (15260, 175708), (16120, 166334), (16895, 158704), (17360, 154453), (19838, 135160), (22568, 118810), (22672, 118265), (23653, 113360), (23762, 112840), (27032, 99190), (28210, 95048), (28340, 94612), (30520, 87854), (32240, 83167), (33790, 79352), (39676, 67580), (43927, 61040), (45136, 59405), (47306, 56680), (47524, 56420), (49595, 54064)]