640074000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1130

約数の個数: 160

約数和(自身を含む): 2084973696

約数和(自身を除く): 1444899696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 107, 120, 125, 150, 200, 214, 240, 250, 300, 321, 375, 400, 428, 500, 535, 600, 642, 750, 856, 997, 1000, 1070, 1200, 1284, 1500, 1605, 1712, 1994, 2000, 2140, 2568, 2675, 2991, 3000, 3210, 3988, 4280, 4985, 5136, 5350, 5982, 6000, 6420, 7976, 8025, 8560, 9970, 10700, 11964, 12840, 13375, 14955, 15952, 16050, 19940, 21400, 23928, 24925, 25680, 26750, 29910, 32100, 39880, 40125, 42800, 47856, 49850, 53500, 59820, 64200, 74775, 79760, 80250, 99700, 106679, 107000, 119640, 124625, 128400, 149550, 160500, 199400, 213358, 214000, 239280, 249250, 299100, 320037, 321000, 373875, 398800, 426716, 498500, 533395, 598200, 640074, 642000, 747750, 853432, 997000, 1066790, 1196400, 1280148, 1495500, 1600185, 1706864, 1994000, 2133580, 2560296, 2666975, 2991000, 3200370, 4267160, 5120592, 5333950, 5982000, 6400740, 8000925, 8534320, 10667900, 12801480, 13334875, 16001850, 21335800, 25602960, 26669750, 32003700, 40004625, 42671600, 53339500, 64007400, 80009250, 106679000, 128014800, 160018500, 213358000, 320037000, 640074000]

約数ペア:

[(1, 640074000), (2, 320037000), (3, 213358000), (4, 160018500), (5, 128014800), (6, 106679000), (8, 80009250), (10, 64007400), (12, 53339500), (15, 42671600), (16, 40004625), (20, 32003700), (24, 26669750), (25, 25602960), (30, 21335800), (40, 16001850), (48, 13334875), (50, 12801480), (60, 10667900), (75, 8534320), (80, 8000925), (100, 6400740), (107, 5982000), (120, 5333950), (125, 5120592), (150, 4267160), (200, 3200370), (214, 2991000), (240, 2666975), (250, 2560296), (300, 2133580), (321, 1994000), (375, 1706864), (400, 1600185), (428, 1495500), (500, 1280148), (535, 1196400), (600, 1066790), (642, 997000), (750, 853432), (856, 747750), (997, 642000), (1000, 640074), (1070, 598200), (1200, 533395), (1284, 498500), (1500, 426716), (1605, 398800), (1712, 373875), (1994, 321000), (2000, 320037), (2140, 299100), (2568, 249250), (2675, 239280), (2991, 214000), (3000, 213358), (3210, 199400), (3988, 160500), (4280, 149550), (4985, 128400), (5136, 124625), (5350, 119640), (5982, 107000), (6000, 106679), (6420, 99700), (7976, 80250), (8025, 79760), (8560, 74775), (9970, 64200), (10700, 59820), (11964, 53500), (12840, 49850), (13375, 47856), (14955, 42800), (15952, 40125), (16050, 39880), (19940, 32100), (21400, 29910), (23928, 26750), (24925, 25680)]