640473600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1327

約数の個数: 240

約数和(自身を含む): 2280291552

約数和(自身を除く): 1639817952

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, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 512, 520, 600, 624, 640, 650, 768, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1280, 1283, 1300, 1536, 1560, 1600, 1664, 1920, 1950, 2080, 2400, 2496, 2560, 2566, 2600, 3120, 3200, 3328, 3840, 3849, 3900, 4160, 4800, 4992, 5132, 5200, 6240, 6400, 6415, 6656, 7680, 7698, 7800, 8320, 9600, 9984, 10264, 10400, 12480, 12800, 12830, 15396, 15600, 16640, 16679, 19200, 19245, 19968, 20528, 20800, 24960, 25660, 30792, 31200, 32075, 33280, 33358, 38400, 38490, 41056, 41600, 49920, 50037, 51320, 61584, 62400, 64150, 66716, 76980, 82112, 83200, 83395, 96225, 99840, 100074, 102640, 123168, 124800, 128300, 133432, 153960, 164224, 166400, 166790, 192450, 200148, 205280, 246336, 249600, 250185, 256600, 266864, 307920, 328448, 333580, 384900, 400296, 410560, 416975, 492672, 499200, 500370, 513200, 533728, 615840, 656896, 667160, 769800, 800592, 821120, 833950, 985344, 1000740, 1026400, 1067456, 1231680, 1250925, 1334320, 1539600, 1601184, 1642240, 1667900, 1970688, 2001480, 2052800, 2134912, 2463360, 2501850, 2668640, 3079200, 3202368, 3284480, 3335800, 4002960, 4105600, 4269824, 4926720, 5003700, 5337280, 6158400, 6404736, 6671600, 8005920, 8211200, 8539648, 9853440, 10007400, 10674560, 12316800, 12809472, 13343200, 16011840, 16422400, 20014800, 21349120, 24633600, 25618944, 26686400, 32023680, 40029600, 42698240, 49267200, 53372800, 64047360, 80059200, 106745600, 128094720, 160118400, 213491200, 320236800, 640473600]

約数ペア:

[(1, 640473600), (2, 320236800), (3, 213491200), (4, 160118400), (5, 128094720), (6, 106745600), (8, 80059200), (10, 64047360), (12, 53372800), (13, 49267200), (15, 42698240), (16, 40029600), (20, 32023680), (24, 26686400), (25, 25618944), (26, 24633600), (30, 21349120), (32, 20014800), (39, 16422400), (40, 16011840), (48, 13343200), (50, 12809472), (52, 12316800), (60, 10674560), (64, 10007400), (65, 9853440), (75, 8539648), (78, 8211200), (80, 8005920), (96, 6671600), (100, 6404736), (104, 6158400), (120, 5337280), (128, 5003700), (130, 4926720), (150, 4269824), (156, 4105600), (160, 4002960), (192, 3335800), (195, 3284480), (200, 3202368), (208, 3079200), (240, 2668640), (256, 2501850), (260, 2463360), (300, 2134912), (312, 2052800), (320, 2001480), (325, 1970688), (384, 1667900), (390, 1642240), (400, 1601184), (416, 1539600), (480, 1334320), (512, 1250925), (520, 1231680), (600, 1067456), (624, 1026400), (640, 1000740), (650, 985344), (768, 833950), (780, 821120), (800, 800592), (832, 769800), (960, 667160), (975, 656896), (1040, 615840), (1200, 533728), (1248, 513200), (1280, 500370), (1283, 499200), (1300, 492672), (1536, 416975), (1560, 410560), (1600, 400296), (1664, 384900), (1920, 333580), (1950, 328448), (2080, 307920), (2400, 266864), (2496, 256600), (2560, 250185), (2566, 249600), (2600, 246336), (3120, 205280), (3200, 200148), (3328, 192450), (3840, 166790), (3849, 166400), (3900, 164224), (4160, 153960), (4800, 133432), (4992, 128300), (5132, 124800), (5200, 123168), (6240, 102640), (6400, 100074), (6415, 99840), (6656, 96225), (7680, 83395), (7698, 83200), (7800, 82112), (8320, 76980), (9600, 66716), (9984, 64150), (10264, 62400), (10400, 61584), (12480, 51320), (12800, 50037), (12830, 49920), (15396, 41600), (15600, 41056), (16640, 38490), (16679, 38400), (19200, 33358), (19245, 33280), (19968, 32075), (20528, 31200), (20800, 30792), (24960, 25660)]