255760440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2541

約数の個数: 128

約数和(自身を含む): 838978560

約数和(自身を除く): 583218120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1560, 1608, 1742, 2010, 2447, 2613, 2680, 3484, 4020, 4355, 4894, 5226, 6968, 7341, 8040, 8710, 9788, 10452, 12235, 13065, 14682, 17420, 19576, 20904, 24470, 26130, 29364, 31811, 34840, 36705, 48940, 52260, 58728, 63622, 73410, 95433, 97880, 104520, 127244, 146820, 159055, 163949, 190866, 254488, 293640, 318110, 327898, 381732, 477165, 491847, 636220, 655796, 763464, 819745, 954330, 983694, 1272440, 1311592, 1639490, 1908660, 1967388, 2131337, 2459235, 3278980, 3817320, 3934776, 4262674, 4918470, 6394011, 6557960, 8525348, 9836940, 10656685, 12788022, 17050696, 19673880, 21313370, 25576044, 31970055, 42626740, 51152088, 63940110, 85253480, 127880220, 255760440]

約数ペア:

[(1, 255760440), (2, 127880220), (3, 85253480), (4, 63940110), (5, 51152088), (6, 42626740), (8, 31970055), (10, 25576044), (12, 21313370), (13, 19673880), (15, 17050696), (20, 12788022), (24, 10656685), (26, 9836940), (30, 8525348), (39, 6557960), (40, 6394011), (52, 4918470), (60, 4262674), (65, 3934776), (67, 3817320), (78, 3278980), (104, 2459235), (120, 2131337), (130, 1967388), (134, 1908660), (156, 1639490), (195, 1311592), (201, 1272440), (260, 983694), (268, 954330), (312, 819745), (335, 763464), (390, 655796), (402, 636220), (520, 491847), (536, 477165), (670, 381732), (780, 327898), (804, 318110), (871, 293640), (1005, 254488), (1340, 190866), (1560, 163949), (1608, 159055), (1742, 146820), (2010, 127244), (2447, 104520), (2613, 97880), (2680, 95433), (3484, 73410), (4020, 63622), (4355, 58728), (4894, 52260), (5226, 48940), (6968, 36705), (7341, 34840), (8040, 31811), (8710, 29364), (9788, 26130), (10452, 24470), (12235, 20904), (13065, 19576), (14682, 17420)]