81266640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 315229824

約数和(自身を除く): 233963184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 61, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 122, 130, 140, 156, 168, 182, 183, 195, 208, 210, 240, 244, 260, 273, 280, 305, 312, 336, 364, 366, 390, 420, 427, 455, 488, 520, 546, 560, 610, 624, 728, 732, 780, 793, 840, 854, 910, 915, 976, 1040, 1092, 1220, 1281, 1365, 1456, 1464, 1560, 1586, 1680, 1708, 1820, 1830, 2135, 2184, 2379, 2440, 2562, 2730, 2928, 3120, 3172, 3416, 3640, 3660, 3721, 3965, 4270, 4368, 4758, 4880, 5124, 5460, 5551, 6344, 6405, 6832, 7280, 7320, 7442, 7930, 8540, 9516, 10248, 10920, 11102, 11163, 11895, 12688, 12810, 14640, 14884, 15860, 16653, 17080, 18605, 19032, 20496, 21840, 22204, 22326, 23790, 25620, 26047, 27755, 29768, 31720, 33306, 34160, 37210, 38064, 44408, 44652, 47580, 48373, 51240, 52094, 55510, 55815, 59536, 63440, 66612, 74420, 78141, 83265, 88816, 89304, 95160, 96746, 102480, 104188, 111020, 111630, 130235, 133224, 145119, 148840, 156282, 166530, 178608, 190320, 193492, 208376, 222040, 223260, 241865, 260470, 266448, 290238, 297680, 312564, 333060, 338611, 386984, 390705, 416752, 444080, 446520, 483730, 520940, 580476, 625128, 666120, 677222, 725595, 773968, 781410, 893040, 967460, 1015833, 1041880, 1160952, 1250256, 1332240, 1354444, 1451190, 1562820, 1693055, 1934920, 2031666, 2083760, 2321904, 2708888, 2902380, 3125640, 3386110, 3869840, 4063332, 5079165, 5417776, 5804760, 6251280, 6772220, 8126664, 10158330, 11609520, 13544440, 16253328, 20316660, 27088880, 40633320, 81266640]

約数ペア:

[(1, 81266640), (2, 40633320), (3, 27088880), (4, 20316660), (5, 16253328), (6, 13544440), (7, 11609520), (8, 10158330), (10, 8126664), (12, 6772220), (13, 6251280), (14, 5804760), (15, 5417776), (16, 5079165), (20, 4063332), (21, 3869840), (24, 3386110), (26, 3125640), (28, 2902380), (30, 2708888), (35, 2321904), (39, 2083760), (40, 2031666), (42, 1934920), (48, 1693055), (52, 1562820), (56, 1451190), (60, 1354444), (61, 1332240), (65, 1250256), (70, 1160952), (78, 1041880), (80, 1015833), (84, 967460), (91, 893040), (104, 781410), (105, 773968), (112, 725595), (120, 677222), (122, 666120), (130, 625128), (140, 580476), (156, 520940), (168, 483730), (182, 446520), (183, 444080), (195, 416752), (208, 390705), (210, 386984), (240, 338611), (244, 333060), (260, 312564), (273, 297680), (280, 290238), (305, 266448), (312, 260470), (336, 241865), (364, 223260), (366, 222040), (390, 208376), (420, 193492), (427, 190320), (455, 178608), (488, 166530), (520, 156282), (546, 148840), (560, 145119), (610, 133224), (624, 130235), (728, 111630), (732, 111020), (780, 104188), (793, 102480), (840, 96746), (854, 95160), (910, 89304), (915, 88816), (976, 83265), (1040, 78141), (1092, 74420), (1220, 66612), (1281, 63440), (1365, 59536), (1456, 55815), (1464, 55510), (1560, 52094), (1586, 51240), (1680, 48373), (1708, 47580), (1820, 44652), (1830, 44408), (2135, 38064), (2184, 37210), (2379, 34160), (2440, 33306), (2562, 31720), (2730, 29768), (2928, 27755), (3120, 26047), (3172, 25620), (3416, 23790), (3640, 22326), (3660, 22204), (3721, 21840), (3965, 20496), (4270, 19032), (4368, 18605), (4758, 17080), (4880, 16653), (5124, 15860), (5460, 14884), (5551, 14640), (6344, 12810), (6405, 12688), (6832, 11895), (7280, 11163), (7320, 11102), (7442, 10920), (7930, 10248), (8540, 9516)]