255555000

素因数分解:

$2^3\times 3^4\times 5^4\times {\mathrm{631}}^1$

素因数の和:669

約数の個数: 200

約数和(自身を含む): 895869480

約数和(自身を除く): 640314480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 250, 270, 300, 324, 360, 375, 405, 450, 500, 540, 600, 625, 631, 648, 675, 750, 810, 900, 1000, 1080, 1125, 1250, 1262, 1350, 1500, 1620, 1800, 1875, 1893, 2025, 2250, 2500, 2524, 2700, 3000, 3155, 3240, 3375, 3750, 3786, 4050, 4500, 5000, 5048, 5400, 5625, 5679, 6310, 6750, 7500, 7572, 8100, 9000, 9465, 10125, 11250, 11358, 12620, 13500, 15000, 15144, 15775, 16200, 16875, 17037, 18930, 20250, 22500, 22716, 25240, 27000, 28395, 31550, 33750, 34074, 37860, 40500, 45000, 45432, 47325, 50625, 51111, 56790, 63100, 67500, 68148, 75720, 78875, 81000, 85185, 94650, 101250, 102222, 113580, 126200, 135000, 136296, 141975, 157750, 170370, 189300, 202500, 204444, 227160, 236625, 255555, 283950, 315500, 340740, 378600, 394375, 405000, 408888, 425925, 473250, 511110, 567900, 631000, 681480, 709875, 788750, 851850, 946500, 1022220, 1135800, 1183125, 1277775, 1419750, 1577500, 1703700, 1893000, 2044440, 2129625, 2366250, 2555550, 2839500, 3155000, 3407400, 3549375, 4259250, 4732500, 5111100, 5679000, 6388875, 7098750, 8518500, 9465000, 10222200, 10648125, 12777750, 14197500, 17037000, 21296250, 25555500, 28395000, 31944375, 42592500, 51111000, 63888750, 85185000, 127777500, 255555000]

約数ペア:

[(1, 255555000), (2, 127777500), (3, 85185000), (4, 63888750), (5, 51111000), (6, 42592500), (8, 31944375), (9, 28395000), (10, 25555500), (12, 21296250), (15, 17037000), (18, 14197500), (20, 12777750), (24, 10648125), (25, 10222200), (27, 9465000), (30, 8518500), (36, 7098750), (40, 6388875), (45, 5679000), (50, 5111100), (54, 4732500), (60, 4259250), (72, 3549375), (75, 3407400), (81, 3155000), (90, 2839500), (100, 2555550), (108, 2366250), (120, 2129625), (125, 2044440), (135, 1893000), (150, 1703700), (162, 1577500), (180, 1419750), (200, 1277775), (216, 1183125), (225, 1135800), (250, 1022220), (270, 946500), (300, 851850), (324, 788750), (360, 709875), (375, 681480), (405, 631000), (450, 567900), (500, 511110), (540, 473250), (600, 425925), (625, 408888), (631, 405000), (648, 394375), (675, 378600), (750, 340740), (810, 315500), (900, 283950), (1000, 255555), (1080, 236625), (1125, 227160), (1250, 204444), (1262, 202500), (1350, 189300), (1500, 170370), (1620, 157750), (1800, 141975), (1875, 136296), (1893, 135000), (2025, 126200), (2250, 113580), (2500, 102222), (2524, 101250), (2700, 94650), (3000, 85185), (3155, 81000), (3240, 78875), (3375, 75720), (3750, 68148), (3786, 67500), (4050, 63100), (4500, 56790), (5000, 51111), (5048, 50625), (5400, 47325), (5625, 45432), (5679, 45000), (6310, 40500), (6750, 37860), (7500, 34074), (7572, 33750), (8100, 31550), (9000, 28395), (9465, 27000), (10125, 25240), (11250, 22716), (11358, 22500), (12620, 20250), (13500, 18930), (15000, 17037), (15144, 16875), (15775, 16200)]