646512912

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 1863136704

約数和(自身を除く): 1216623792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 263, 344, 387, 397, 516, 526, 688, 774, 789, 794, 1032, 1052, 1191, 1548, 1578, 1588, 2064, 2104, 2367, 2382, 3096, 3156, 3176, 3573, 4208, 4734, 4764, 6192, 6312, 6352, 7146, 9468, 9528, 11309, 12624, 14292, 17071, 18936, 19056, 22618, 28584, 33927, 34142, 37872, 45236, 51213, 57168, 67854, 68284, 90472, 101781, 102426, 104411, 135708, 136568, 153639, 180944, 203562, 204852, 208822, 271416, 273136, 307278, 313233, 407124, 409704, 417644, 542832, 614556, 626466, 814248, 819408, 835288, 939699, 1229112, 1252932, 1628496, 1670576, 1879398, 2458224, 2505864, 3758796, 4489673, 5011728, 7517592, 8979346, 13469019, 15035184, 17958692, 26938038, 35917384, 40407057, 53876076, 71834768, 80814114, 107752152, 161628228, 215504304, 323256456, 646512912]

約数ペア:

[(1, 646512912), (2, 323256456), (3, 215504304), (4, 161628228), (6, 107752152), (8, 80814114), (9, 71834768), (12, 53876076), (16, 40407057), (18, 35917384), (24, 26938038), (36, 17958692), (43, 15035184), (48, 13469019), (72, 8979346), (86, 7517592), (129, 5011728), (144, 4489673), (172, 3758796), (258, 2505864), (263, 2458224), (344, 1879398), (387, 1670576), (397, 1628496), (516, 1252932), (526, 1229112), (688, 939699), (774, 835288), (789, 819408), (794, 814248), (1032, 626466), (1052, 614556), (1191, 542832), (1548, 417644), (1578, 409704), (1588, 407124), (2064, 313233), (2104, 307278), (2367, 273136), (2382, 271416), (3096, 208822), (3156, 204852), (3176, 203562), (3573, 180944), (4208, 153639), (4734, 136568), (4764, 135708), (6192, 104411), (6312, 102426), (6352, 101781), (7146, 90472), (9468, 68284), (9528, 67854), (11309, 57168), (12624, 51213), (14292, 45236), (17071, 37872), (18936, 34142), (19056, 33927), (22618, 28584)]