257299380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3606

約数の個数: 144

約数和(自身を含む): 867869184

約数和(自身を除く): 610569804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3547, 3627, 4030, 4836, 5580, 6045, 7094, 7254, 8060, 10641, 12090, 14188, 14508, 17735, 18135, 21282, 24180, 31923, 35470, 36270, 42564, 46111, 53205, 63846, 70940, 72540, 92222, 106410, 109957, 127692, 138333, 159615, 184444, 212820, 219914, 230555, 276666, 319230, 329871, 414999, 439828, 461110, 549785, 553332, 638460, 659742, 691665, 829998, 922220, 989613, 1099570, 1319484, 1383330, 1429441, 1649355, 1659996, 1979226, 2074995, 2199140, 2766660, 2858882, 3298710, 3958452, 4149990, 4288323, 4948065, 5717764, 6597420, 7147205, 8299980, 8576646, 9896130, 12864969, 14294410, 17153292, 19792260, 21441615, 25729938, 28588820, 42883230, 51459876, 64324845, 85766460, 128649690, 257299380]

約数ペア:

[(1, 257299380), (2, 128649690), (3, 85766460), (4, 64324845), (5, 51459876), (6, 42883230), (9, 28588820), (10, 25729938), (12, 21441615), (13, 19792260), (15, 17153292), (18, 14294410), (20, 12864969), (26, 9896130), (30, 8576646), (31, 8299980), (36, 7147205), (39, 6597420), (45, 5717764), (52, 4948065), (60, 4288323), (62, 4149990), (65, 3958452), (78, 3298710), (90, 2858882), (93, 2766660), (117, 2199140), (124, 2074995), (130, 1979226), (155, 1659996), (156, 1649355), (180, 1429441), (186, 1383330), (195, 1319484), (234, 1099570), (260, 989613), (279, 922220), (310, 829998), (372, 691665), (390, 659742), (403, 638460), (465, 553332), (468, 549785), (558, 461110), (585, 439828), (620, 414999), (780, 329871), (806, 319230), (930, 276666), (1116, 230555), (1170, 219914), (1209, 212820), (1395, 184444), (1612, 159615), (1860, 138333), (2015, 127692), (2340, 109957), (2418, 106410), (2790, 92222), (3547, 72540), (3627, 70940), (4030, 63846), (4836, 53205), (5580, 46111), (6045, 42564), (7094, 36270), (7254, 35470), (8060, 31923), (10641, 24180), (12090, 21282), (14188, 18135), (14508, 17735)]