641565600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20563}}^1$

素因数の和:20599

約数の個数: 144

約数和(自身を含む): 2249043552

約数和(自身を除く): 1607477952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 5200, 6240, 7800, 10400, 15600, 20563, 31200, 41126, 61689, 82252, 102815, 123378, 164504, 205630, 246756, 267319, 308445, 329008, 411260, 493512, 514075, 534638, 616890, 658016, 801957, 822520, 987024, 1028150, 1069276, 1233780, 1336595, 1542225, 1603914, 1645040, 1974048, 2056300, 2138552, 2467560, 2673190, 3084450, 3207828, 3290080, 4009785, 4112600, 4277104, 4935120, 5346380, 6168900, 6415656, 6682975, 8019570, 8225200, 8554208, 9870240, 10692760, 12337800, 12831312, 13365950, 16039140, 16450400, 20048925, 21385520, 24675600, 25662624, 26731900, 32078280, 40097850, 42771040, 49351200, 53463800, 64156560, 80195700, 106927600, 128313120, 160391400, 213855200, 320782800, 641565600]

約数ペア:

[(1, 641565600), (2, 320782800), (3, 213855200), (4, 160391400), (5, 128313120), (6, 106927600), (8, 80195700), (10, 64156560), (12, 53463800), (13, 49351200), (15, 42771040), (16, 40097850), (20, 32078280), (24, 26731900), (25, 25662624), (26, 24675600), (30, 21385520), (32, 20048925), (39, 16450400), (40, 16039140), (48, 13365950), (50, 12831312), (52, 12337800), (60, 10692760), (65, 9870240), (75, 8554208), (78, 8225200), (80, 8019570), (96, 6682975), (100, 6415656), (104, 6168900), (120, 5346380), (130, 4935120), (150, 4277104), (156, 4112600), (160, 4009785), (195, 3290080), (200, 3207828), (208, 3084450), (240, 2673190), (260, 2467560), (300, 2138552), (312, 2056300), (325, 1974048), (390, 1645040), (400, 1603914), (416, 1542225), (480, 1336595), (520, 1233780), (600, 1069276), (624, 1028150), (650, 987024), (780, 822520), (800, 801957), (975, 658016), (1040, 616890), (1200, 534638), (1248, 514075), (1300, 493512), (1560, 411260), (1950, 329008), (2080, 308445), (2400, 267319), (2600, 246756), (3120, 205630), (3900, 164504), (5200, 123378), (6240, 102815), (7800, 82252), (10400, 61689), (15600, 41126), (20563, 31200)]