616654480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 1598007096

約数和(自身を除く): 981352616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 617, 620, 806, 961, 1040, 1234, 1240, 1612, 1922, 2015, 2468, 2480, 3085, 3224, 3844, 4030, 4805, 4936, 6170, 6448, 7688, 8021, 8060, 9610, 9872, 12340, 12493, 15376, 16042, 16120, 19127, 19220, 24680, 24986, 32084, 32240, 38254, 38440, 40105, 49360, 49972, 62465, 64168, 76508, 76880, 80210, 95635, 99944, 124930, 128336, 153016, 160420, 191270, 199888, 248651, 249860, 306032, 320840, 382540, 497302, 499720, 592937, 641680, 765080, 994604, 999440, 1185874, 1243255, 1530160, 1989208, 2371748, 2486510, 2964685, 3978416, 4743496, 4973020, 5929370, 7708181, 9486992, 9946040, 11858740, 15416362, 19892080, 23717480, 30832724, 38540905, 47434960, 61665448, 77081810, 123330896, 154163620, 308327240, 616654480]

約数ペア:

[(1, 616654480), (2, 308327240), (4, 154163620), (5, 123330896), (8, 77081810), (10, 61665448), (13, 47434960), (16, 38540905), (20, 30832724), (26, 23717480), (31, 19892080), (40, 15416362), (52, 11858740), (62, 9946040), (65, 9486992), (80, 7708181), (104, 5929370), (124, 4973020), (130, 4743496), (155, 3978416), (208, 2964685), (248, 2486510), (260, 2371748), (310, 1989208), (403, 1530160), (496, 1243255), (520, 1185874), (617, 999440), (620, 994604), (806, 765080), (961, 641680), (1040, 592937), (1234, 499720), (1240, 497302), (1612, 382540), (1922, 320840), (2015, 306032), (2468, 249860), (2480, 248651), (3085, 199888), (3224, 191270), (3844, 160420), (4030, 153016), (4805, 128336), (4936, 124930), (6170, 99944), (6448, 95635), (7688, 80210), (8021, 76880), (8060, 76508), (9610, 64168), (9872, 62465), (12340, 49972), (12493, 49360), (15376, 40105), (16042, 38440), (16120, 38254), (19127, 32240), (19220, 32084), (24680, 24986)]