245298456

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 160

約数和(自身を含む): 760877040

約数和(自身を除く): 515578584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 81, 104, 108, 111, 117, 148, 156, 162, 216, 222, 234, 296, 312, 324, 333, 351, 444, 468, 481, 648, 666, 702, 787, 888, 936, 962, 999, 1053, 1332, 1404, 1443, 1574, 1924, 1998, 2106, 2361, 2664, 2808, 2886, 2997, 3148, 3848, 3996, 4212, 4329, 4722, 5772, 5994, 6296, 7083, 7992, 8424, 8658, 9444, 10231, 11544, 11988, 12987, 14166, 17316, 18888, 20462, 21249, 23976, 25974, 28332, 29119, 30693, 34632, 38961, 40924, 42498, 51948, 56664, 58238, 61386, 63747, 77922, 81848, 84996, 87357, 92079, 103896, 116476, 122772, 127494, 155844, 169992, 174714, 184158, 232952, 245544, 254988, 262071, 276237, 311688, 349428, 368316, 378547, 509976, 524142, 552474, 698856, 736632, 757094, 786213, 828711, 1048284, 1104948, 1135641, 1514188, 1572426, 1657422, 2096568, 2209896, 2271282, 2358639, 3028376, 3144852, 3314844, 3406923, 4542564, 4717278, 6289704, 6629688, 6813846, 9085128, 9434556, 10220769, 13627692, 18869112, 20441538, 27255384, 30662307, 40883076, 61324614, 81766152, 122649228, 245298456]

約数ペア:

[(1, 245298456), (2, 122649228), (3, 81766152), (4, 61324614), (6, 40883076), (8, 30662307), (9, 27255384), (12, 20441538), (13, 18869112), (18, 13627692), (24, 10220769), (26, 9434556), (27, 9085128), (36, 6813846), (37, 6629688), (39, 6289704), (52, 4717278), (54, 4542564), (72, 3406923), (74, 3314844), (78, 3144852), (81, 3028376), (104, 2358639), (108, 2271282), (111, 2209896), (117, 2096568), (148, 1657422), (156, 1572426), (162, 1514188), (216, 1135641), (222, 1104948), (234, 1048284), (296, 828711), (312, 786213), (324, 757094), (333, 736632), (351, 698856), (444, 552474), (468, 524142), (481, 509976), (648, 378547), (666, 368316), (702, 349428), (787, 311688), (888, 276237), (936, 262071), (962, 254988), (999, 245544), (1053, 232952), (1332, 184158), (1404, 174714), (1443, 169992), (1574, 155844), (1924, 127494), (1998, 122772), (2106, 116476), (2361, 103896), (2664, 92079), (2808, 87357), (2886, 84996), (2997, 81848), (3148, 77922), (3848, 63747), (3996, 61386), (4212, 58238), (4329, 56664), (4722, 51948), (5772, 42498), (5994, 40924), (6296, 38961), (7083, 34632), (7992, 30693), (8424, 29119), (8658, 28332), (9444, 25974), (10231, 23976), (11544, 21249), (11988, 20462), (12987, 18888), (14166, 17316)]