640701000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:561

約数の個数: 192

約数和(自身を含む): 2181844080

約数和(自身を除く): 1541143080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 257, 277, 300, 360, 375, 450, 500, 514, 554, 600, 750, 771, 831, 900, 1000, 1028, 1108, 1125, 1285, 1385, 1500, 1542, 1662, 1800, 2056, 2216, 2250, 2313, 2493, 2570, 2770, 3000, 3084, 3324, 3855, 4155, 4500, 4626, 4986, 5140, 5540, 6168, 6425, 6648, 6925, 7710, 8310, 9000, 9252, 9972, 10280, 11080, 11565, 12465, 12850, 13850, 15420, 16620, 18504, 19275, 19944, 20775, 23130, 24930, 25700, 27700, 30840, 32125, 33240, 34625, 38550, 41550, 46260, 49860, 51400, 55400, 57825, 62325, 64250, 69250, 71189, 77100, 83100, 92520, 96375, 99720, 103875, 115650, 124650, 128500, 138500, 142378, 154200, 166200, 192750, 207750, 213567, 231300, 249300, 257000, 277000, 284756, 289125, 311625, 355945, 385500, 415500, 427134, 462600, 498600, 569512, 578250, 623250, 640701, 711890, 771000, 831000, 854268, 1067835, 1156500, 1246500, 1281402, 1423780, 1708536, 1779725, 2135670, 2313000, 2493000, 2562804, 2847560, 3203505, 3559450, 4271340, 5125608, 5339175, 6407010, 7118900, 8542680, 8898625, 10678350, 12814020, 14237800, 16017525, 17797250, 21356700, 25628040, 26695875, 32035050, 35594500, 42713400, 53391750, 64070100, 71189000, 80087625, 106783500, 128140200, 160175250, 213567000, 320350500, 640701000]

約数ペア:

[(1, 640701000), (2, 320350500), (3, 213567000), (4, 160175250), (5, 128140200), (6, 106783500), (8, 80087625), (9, 71189000), (10, 64070100), (12, 53391750), (15, 42713400), (18, 35594500), (20, 32035050), (24, 26695875), (25, 25628040), (30, 21356700), (36, 17797250), (40, 16017525), (45, 14237800), (50, 12814020), (60, 10678350), (72, 8898625), (75, 8542680), (90, 7118900), (100, 6407010), (120, 5339175), (125, 5125608), (150, 4271340), (180, 3559450), (200, 3203505), (225, 2847560), (250, 2562804), (257, 2493000), (277, 2313000), (300, 2135670), (360, 1779725), (375, 1708536), (450, 1423780), (500, 1281402), (514, 1246500), (554, 1156500), (600, 1067835), (750, 854268), (771, 831000), (831, 771000), (900, 711890), (1000, 640701), (1028, 623250), (1108, 578250), (1125, 569512), (1285, 498600), (1385, 462600), (1500, 427134), (1542, 415500), (1662, 385500), (1800, 355945), (2056, 311625), (2216, 289125), (2250, 284756), (2313, 277000), (2493, 257000), (2570, 249300), (2770, 231300), (3000, 213567), (3084, 207750), (3324, 192750), (3855, 166200), (4155, 154200), (4500, 142378), (4626, 138500), (4986, 128500), (5140, 124650), (5540, 115650), (6168, 103875), (6425, 99720), (6648, 96375), (6925, 92520), (7710, 83100), (8310, 77100), (9000, 71189), (9252, 69250), (9972, 64250), (10280, 62325), (11080, 57825), (11565, 55400), (12465, 51400), (12850, 49860), (13850, 46260), (15420, 41550), (16620, 38550), (18504, 34625), (19275, 33240), (19944, 32125), (20775, 30840), (23130, 27700), (24930, 25700)]