2489782360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 6319736640

約数和(自身を除く): 3829954280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 109, 124, 130, 155, 169, 218, 248, 260, 310, 338, 403, 436, 520, 545, 620, 676, 806, 845, 872, 1090, 1240, 1352, 1417, 1612, 1690, 2015, 2180, 2834, 3224, 3379, 3380, 4030, 4360, 5239, 5668, 6758, 6760, 7085, 8060, 10478, 11336, 11881, 13516, 14170, 16120, 16895, 18421, 20956, 23762, 26195, 27032, 28340, 33790, 36842, 41912, 43927, 47524, 52390, 56680, 59405, 67580, 73684, 87854, 92105, 95048, 104780, 118810, 135160, 147368, 154453, 175708, 184210, 209560, 219635, 237620, 308906, 351416, 368311, 368420, 439270, 475240, 571051, 617812, 736622, 736840, 772265, 878540, 1142102, 1235624, 1473244, 1544530, 1757080, 1841555, 2007889, 2284204, 2855255, 2946488, 3089060, 3683110, 4015778, 4568408, 4788043, 5710510, 6178120, 7366220, 8031556, 9576086, 10039445, 11421020, 14732440, 16063112, 19152172, 20078890, 22842040, 23940215, 38304344, 40157780, 47880430, 62244559, 80315560, 95760860, 124489118, 191521720, 248978236, 311222795, 497956472, 622445590, 1244891180, 2489782360]

約数ペア:

[(1, 2489782360), (2, 1244891180), (4, 622445590), (5, 497956472), (8, 311222795), (10, 248978236), (13, 191521720), (20, 124489118), (26, 95760860), (31, 80315560), (40, 62244559), (52, 47880430), (62, 40157780), (65, 38304344), (104, 23940215), (109, 22842040), (124, 20078890), (130, 19152172), (155, 16063112), (169, 14732440), (218, 11421020), (248, 10039445), (260, 9576086), (310, 8031556), (338, 7366220), (403, 6178120), (436, 5710510), (520, 4788043), (545, 4568408), (620, 4015778), (676, 3683110), (806, 3089060), (845, 2946488), (872, 2855255), (1090, 2284204), (1240, 2007889), (1352, 1841555), (1417, 1757080), (1612, 1544530), (1690, 1473244), (2015, 1235624), (2180, 1142102), (2834, 878540), (3224, 772265), (3379, 736840), (3380, 736622), (4030, 617812), (4360, 571051), (5239, 475240), (5668, 439270), (6758, 368420), (6760, 368311), (7085, 351416), (8060, 308906), (10478, 237620), (11336, 219635), (11881, 209560), (13516, 184210), (14170, 175708), (16120, 154453), (16895, 147368), (18421, 135160), (20956, 118810), (23762, 104780), (26195, 95048), (27032, 92105), (28340, 87854), (33790, 73684), (36842, 67580), (41912, 59405), (43927, 56680), (47524, 52390)]