257445408

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:671

約数の個数: 144

約数和(自身を含む): 764164800

約数和(自身を除く): 506719392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 66, 74, 88, 96, 111, 121, 132, 148, 176, 222, 242, 264, 296, 352, 363, 407, 444, 484, 528, 592, 599, 726, 814, 888, 968, 1056, 1184, 1198, 1221, 1452, 1628, 1776, 1797, 1936, 2396, 2442, 2904, 3256, 3552, 3594, 3872, 4477, 4792, 4884, 5808, 6512, 6589, 7188, 8954, 9584, 9768, 11616, 13024, 13178, 13431, 14376, 17908, 19168, 19536, 19767, 22163, 26356, 26862, 28752, 35816, 39072, 39534, 44326, 52712, 53724, 57504, 66489, 71632, 72479, 79068, 88652, 105424, 107448, 132978, 143264, 144958, 158136, 177304, 210848, 214896, 217437, 243793, 265956, 289916, 316272, 354608, 429792, 434874, 487586, 531912, 579832, 632544, 709216, 731379, 869748, 975172, 1063824, 1159664, 1462758, 1739496, 1950344, 2127648, 2319328, 2681723, 2925516, 3478992, 3900688, 5363446, 5851032, 6957984, 7801376, 8045169, 10726892, 11702064, 16090338, 21453784, 23404128, 32180676, 42907568, 64361352, 85815136, 128722704, 257445408]

約数ペア:

[(1, 257445408), (2, 128722704), (3, 85815136), (4, 64361352), (6, 42907568), (8, 32180676), (11, 23404128), (12, 21453784), (16, 16090338), (22, 11702064), (24, 10726892), (32, 8045169), (33, 7801376), (37, 6957984), (44, 5851032), (48, 5363446), (66, 3900688), (74, 3478992), (88, 2925516), (96, 2681723), (111, 2319328), (121, 2127648), (132, 1950344), (148, 1739496), (176, 1462758), (222, 1159664), (242, 1063824), (264, 975172), (296, 869748), (352, 731379), (363, 709216), (407, 632544), (444, 579832), (484, 531912), (528, 487586), (592, 434874), (599, 429792), (726, 354608), (814, 316272), (888, 289916), (968, 265956), (1056, 243793), (1184, 217437), (1198, 214896), (1221, 210848), (1452, 177304), (1628, 158136), (1776, 144958), (1797, 143264), (1936, 132978), (2396, 107448), (2442, 105424), (2904, 88652), (3256, 79068), (3552, 72479), (3594, 71632), (3872, 66489), (4477, 57504), (4792, 53724), (4884, 52712), (5808, 44326), (6512, 39534), (6589, 39072), (7188, 35816), (8954, 28752), (9584, 26862), (9768, 26356), (11616, 22163), (13024, 19767), (13178, 19536), (13431, 19168), (14376, 17908)]