631646080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 1701604800

約数和(自身を除く): 1069958720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 79, 80, 104, 124, 128, 130, 155, 158, 160, 208, 248, 260, 310, 316, 320, 395, 403, 416, 496, 520, 620, 632, 640, 790, 806, 832, 961, 992, 1027, 1040, 1240, 1264, 1580, 1612, 1664, 1922, 1984, 2015, 2054, 2080, 2449, 2480, 2528, 3160, 3224, 3844, 3968, 4030, 4108, 4160, 4805, 4898, 4960, 5056, 5135, 6320, 6448, 7688, 8060, 8216, 8320, 9610, 9796, 9920, 10112, 10270, 12245, 12493, 12640, 12896, 15376, 16120, 16432, 19220, 19592, 19840, 20540, 24490, 24986, 25280, 25792, 30752, 31837, 32240, 32864, 38440, 39184, 41080, 48980, 49972, 50560, 51584, 61504, 62465, 63674, 64480, 65728, 75919, 76880, 78368, 82160, 97960, 99944, 123008, 124930, 127348, 128960, 131456, 151838, 153760, 156736, 159185, 164320, 195920, 199888, 249860, 254696, 257920, 303676, 307520, 313472, 318370, 328640, 379595, 391840, 399776, 499720, 509392, 607352, 615040, 636740, 657280, 759190, 783680, 799552, 986947, 999440, 1018784, 1214704, 1273480, 1518380, 1567360, 1599104, 1973894, 1998880, 2037568, 2429408, 2546960, 3036760, 3947788, 3997760, 4075136, 4858816, 4934735, 5093920, 6073520, 7895576, 7995520, 9717632, 9869470, 10187840, 12147040, 15791152, 19738940, 20375680, 24294080, 31582304, 39477880, 48588160, 63164608, 78955760, 126329216, 157911520, 315823040, 631646080]

約数ペア:

[(1, 631646080), (2, 315823040), (4, 157911520), (5, 126329216), (8, 78955760), (10, 63164608), (13, 48588160), (16, 39477880), (20, 31582304), (26, 24294080), (31, 20375680), (32, 19738940), (40, 15791152), (52, 12147040), (62, 10187840), (64, 9869470), (65, 9717632), (79, 7995520), (80, 7895576), (104, 6073520), (124, 5093920), (128, 4934735), (130, 4858816), (155, 4075136), (158, 3997760), (160, 3947788), (208, 3036760), (248, 2546960), (260, 2429408), (310, 2037568), (316, 1998880), (320, 1973894), (395, 1599104), (403, 1567360), (416, 1518380), (496, 1273480), (520, 1214704), (620, 1018784), (632, 999440), (640, 986947), (790, 799552), (806, 783680), (832, 759190), (961, 657280), (992, 636740), (1027, 615040), (1040, 607352), (1240, 509392), (1264, 499720), (1580, 399776), (1612, 391840), (1664, 379595), (1922, 328640), (1984, 318370), (2015, 313472), (2054, 307520), (2080, 303676), (2449, 257920), (2480, 254696), (2528, 249860), (3160, 199888), (3224, 195920), (3844, 164320), (3968, 159185), (4030, 156736), (4108, 153760), (4160, 151838), (4805, 131456), (4898, 128960), (4960, 127348), (5056, 124930), (5135, 123008), (6320, 99944), (6448, 97960), (7688, 82160), (8060, 78368), (8216, 76880), (8320, 75919), (9610, 65728), (9796, 64480), (9920, 63674), (10112, 62465), (10270, 61504), (12245, 51584), (12493, 50560), (12640, 49972), (12896, 48980), (15376, 41080), (16120, 39184), (16432, 38440), (19220, 32864), (19592, 32240), (19840, 31837), (20540, 30752), (24490, 25792), (24986, 25280)]