256380570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9857}}^1$

素因数の和:9904

約数の個数: 72

約数和(自身を含む): 708179004

約数和(自身を除く): 451798434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 867, 1445, 1530, 1734, 2601, 2890, 4335, 5202, 8670, 9857, 13005, 19714, 26010, 29571, 49285, 59142, 88713, 98570, 147855, 167569, 177426, 295710, 335138, 443565, 502707, 837845, 887130, 1005414, 1508121, 1675690, 2513535, 2848673, 3016242, 5027070, 5697346, 7540605, 8546019, 14243365, 15081210, 17092038, 25638057, 28486730, 42730095, 51276114, 85460190, 128190285, 256380570]

約数ペア:

[(1, 256380570), (2, 128190285), (3, 85460190), (5, 51276114), (6, 42730095), (9, 28486730), (10, 25638057), (15, 17092038), (17, 15081210), (18, 14243365), (30, 8546019), (34, 7540605), (45, 5697346), (51, 5027070), (85, 3016242), (90, 2848673), (102, 2513535), (153, 1675690), (170, 1508121), (255, 1005414), (289, 887130), (306, 837845), (510, 502707), (578, 443565), (765, 335138), (867, 295710), (1445, 177426), (1530, 167569), (1734, 147855), (2601, 98570), (2890, 88713), (4335, 59142), (5202, 49285), (8670, 29571), (9857, 26010), (13005, 19714)]