81712404

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 232727040

約数和(自身を除く): 151014636

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 59, 62, 68, 73, 93, 102, 118, 124, 146, 153, 177, 186, 204, 219, 236, 279, 292, 306, 354, 372, 438, 527, 531, 558, 612, 657, 708, 876, 1003, 1054, 1062, 1116, 1241, 1314, 1581, 1829, 2006, 2108, 2124, 2263, 2482, 2628, 3009, 3162, 3658, 3723, 4012, 4307, 4526, 4743, 4964, 5487, 6018, 6324, 6789, 7316, 7446, 8614, 9027, 9052, 9486, 10974, 11169, 12036, 12921, 13578, 14892, 16461, 17228, 18054, 18972, 20367, 21948, 22338, 25842, 27156, 31093, 32922, 36108, 38471, 38763, 40734, 44676, 51684, 62186, 65844, 73219, 76942, 77526, 81468, 93279, 115413, 124372, 133517, 146438, 153884, 155052, 186558, 219657, 230826, 267034, 279837, 292876, 346239, 373116, 400551, 439314, 461652, 534068, 559674, 658971, 692478, 801102, 878628, 1119348, 1201653, 1317942, 1384956, 1602204, 2269789, 2403306, 2635884, 4539578, 4806612, 6809367, 9079156, 13618734, 20428101, 27237468, 40856202, 81712404]

約数ペア:

[(1, 81712404), (2, 40856202), (3, 27237468), (4, 20428101), (6, 13618734), (9, 9079156), (12, 6809367), (17, 4806612), (18, 4539578), (31, 2635884), (34, 2403306), (36, 2269789), (51, 1602204), (59, 1384956), (62, 1317942), (68, 1201653), (73, 1119348), (93, 878628), (102, 801102), (118, 692478), (124, 658971), (146, 559674), (153, 534068), (177, 461652), (186, 439314), (204, 400551), (219, 373116), (236, 346239), (279, 292876), (292, 279837), (306, 267034), (354, 230826), (372, 219657), (438, 186558), (527, 155052), (531, 153884), (558, 146438), (612, 133517), (657, 124372), (708, 115413), (876, 93279), (1003, 81468), (1054, 77526), (1062, 76942), (1116, 73219), (1241, 65844), (1314, 62186), (1581, 51684), (1829, 44676), (2006, 40734), (2108, 38763), (2124, 38471), (2263, 36108), (2482, 32922), (2628, 31093), (3009, 27156), (3162, 25842), (3658, 22338), (3723, 21948), (4012, 20367), (4307, 18972), (4526, 18054), (4743, 17228), (4964, 16461), (5487, 14892), (6018, 13578), (6324, 12921), (6789, 12036), (7316, 11169), (7446, 10974), (8614, 9486), (9027, 9052)]