129969495160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1\times {\mathrm{661}}^1$

素因数の和:1577

約数の個数: 128

約数和(自身を含む): 303989552640

約数和(自身を除く): 174020057480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 617, 620, 661, 1028, 1234, 1240, 1285, 1322, 2056, 2468, 2570, 2644, 3085, 3305, 4936, 5140, 5288, 6170, 6610, 7967, 10280, 12340, 13220, 15934, 19127, 20491, 24680, 26440, 31868, 38254, 39835, 40982, 63736, 76508, 79670, 81964, 95635, 102455, 153016, 158569, 159340, 163928, 169877, 191270, 204910, 317138, 318680, 339754, 382540, 407837, 409820, 634276, 679508, 765080, 792845, 815674, 819640, 849385, 1268552, 1359016, 1585690, 1631348, 1698770, 2039185, 3171380, 3262696, 3397540, 4078370, 4915639, 5266187, 6342760, 6795080, 8156740, 9831278, 10532374, 12642947, 16313480, 19662556, 21064748, 24578195, 25285894, 26330935, 39325112, 42129496, 49156390, 50571788, 52661870, 63214735, 98312780, 101143576, 104814109, 105323740, 126429470, 196625560, 209628218, 210647480, 252858940, 419256436, 505717880, 524070545, 838512872, 1048141090, 2096282180, 3249237379, 4192564360, 6498474758, 12996949516, 16246186895, 25993899032, 32492373790, 64984747580, 129969495160]

約数ペア:

[(1, 129969495160), (2, 64984747580), (4, 32492373790), (5, 25993899032), (8, 16246186895), (10, 12996949516), (20, 6498474758), (31, 4192564360), (40, 3249237379), (62, 2096282180), (124, 1048141090), (155, 838512872), (248, 524070545), (257, 505717880), (310, 419256436), (514, 252858940), (617, 210647480), (620, 209628218), (661, 196625560), (1028, 126429470), (1234, 105323740), (1240, 104814109), (1285, 101143576), (1322, 98312780), (2056, 63214735), (2468, 52661870), (2570, 50571788), (2644, 49156390), (3085, 42129496), (3305, 39325112), (4936, 26330935), (5140, 25285894), (5288, 24578195), (6170, 21064748), (6610, 19662556), (7967, 16313480), (10280, 12642947), (12340, 10532374), (13220, 9831278), (15934, 8156740), (19127, 6795080), (20491, 6342760), (24680, 5266187), (26440, 4915639), (31868, 4078370), (38254, 3397540), (39835, 3262696), (40982, 3171380), (63736, 2039185), (76508, 1698770), (79670, 1631348), (81964, 1585690), (95635, 1359016), (102455, 1268552), (153016, 849385), (158569, 819640), (159340, 815674), (163928, 792845), (169877, 765080), (191270, 679508), (204910, 634276), (317138, 409820), (318680, 407837), (339754, 382540)]