81346980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 282240000

約数和(自身を除く): 200893020

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 19, 20, 22, 26, 30, 33, 38, 39, 44, 52, 55, 57, 60, 65, 66, 76, 78, 95, 110, 114, 130, 132, 143, 156, 165, 190, 195, 209, 220, 228, 247, 260, 285, 286, 330, 380, 390, 418, 429, 494, 499, 570, 572, 627, 660, 715, 741, 780, 836, 858, 988, 998, 1045, 1140, 1235, 1254, 1430, 1482, 1497, 1716, 1996, 2090, 2145, 2470, 2495, 2508, 2717, 2860, 2964, 2994, 3135, 3705, 4180, 4290, 4940, 4990, 5434, 5489, 5988, 6270, 6487, 7410, 7485, 8151, 8580, 9481, 9980, 10868, 10978, 12540, 12974, 13585, 14820, 14970, 16302, 16467, 18962, 19461, 21956, 25948, 27170, 27445, 28443, 29940, 32435, 32604, 32934, 37924, 38922, 40755, 47405, 54340, 54890, 56886, 64870, 65868, 71357, 77844, 81510, 82335, 94810, 97305, 104291, 109780, 113772, 123253, 129740, 142215, 142714, 163020, 164670, 189620, 194610, 208582, 214071, 246506, 284430, 285428, 312873, 329340, 356785, 369759, 389220, 417164, 428142, 493012, 521455, 568860, 616265, 625746, 713570, 739518, 856284, 1042910, 1070355, 1232530, 1251492, 1355783, 1427140, 1479036, 1564365, 1848795, 2085820, 2140710, 2465060, 2711566, 3128730, 3697590, 4067349, 4281420, 5423132, 6257460, 6778915, 7395180, 8134698, 13557830, 16269396, 20336745, 27115660, 40673490, 81346980]

約数ペア:

[(1, 81346980), (2, 40673490), (3, 27115660), (4, 20336745), (5, 16269396), (6, 13557830), (10, 8134698), (11, 7395180), (12, 6778915), (13, 6257460), (15, 5423132), (19, 4281420), (20, 4067349), (22, 3697590), (26, 3128730), (30, 2711566), (33, 2465060), (38, 2140710), (39, 2085820), (44, 1848795), (52, 1564365), (55, 1479036), (57, 1427140), (60, 1355783), (65, 1251492), (66, 1232530), (76, 1070355), (78, 1042910), (95, 856284), (110, 739518), (114, 713570), (130, 625746), (132, 616265), (143, 568860), (156, 521455), (165, 493012), (190, 428142), (195, 417164), (209, 389220), (220, 369759), (228, 356785), (247, 329340), (260, 312873), (285, 285428), (286, 284430), (330, 246506), (380, 214071), (390, 208582), (418, 194610), (429, 189620), (494, 164670), (499, 163020), (570, 142714), (572, 142215), (627, 129740), (660, 123253), (715, 113772), (741, 109780), (780, 104291), (836, 97305), (858, 94810), (988, 82335), (998, 81510), (1045, 77844), (1140, 71357), (1235, 65868), (1254, 64870), (1430, 56886), (1482, 54890), (1497, 54340), (1716, 47405), (1996, 40755), (2090, 38922), (2145, 37924), (2470, 32934), (2495, 32604), (2508, 32435), (2717, 29940), (2860, 28443), (2964, 27445), (2994, 27170), (3135, 25948), (3705, 21956), (4180, 19461), (4290, 18962), (4940, 16467), (4990, 16302), (5434, 14970), (5489, 14820), (5988, 13585), (6270, 12974), (6487, 12540), (7410, 10978), (7485, 10868), (8151, 9980), (8580, 9481)]