315823040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 847465920

約数和(自身を除く): 531642880

約数列:

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

約数ペア:

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