517702720

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 1264798080

約数和(自身を除く): 747095360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 113, 139, 160, 206, 226, 278, 320, 412, 452, 515, 556, 565, 695, 824, 904, 1030, 1112, 1130, 1390, 1648, 1808, 2060, 2224, 2260, 2780, 3296, 3616, 4120, 4448, 4520, 5560, 6592, 7232, 8240, 8896, 9040, 11120, 11639, 14317, 15707, 16480, 18080, 22240, 23278, 28634, 31414, 32960, 36160, 44480, 46556, 57268, 58195, 62828, 71585, 78535, 93112, 114536, 116390, 125656, 143170, 157070, 186224, 229072, 232780, 251312, 286340, 314140, 372448, 458144, 465560, 502624, 572680, 628280, 744896, 916288, 931120, 1005248, 1145360, 1256560, 1617821, 1862240, 2290720, 2513120, 3235642, 3724480, 4581440, 5026240, 6471284, 8089105, 12942568, 16178210, 25885136, 32356420, 51770272, 64712840, 103540544, 129425680, 258851360, 517702720]

約数ペア:

[(1, 517702720), (2, 258851360), (4, 129425680), (5, 103540544), (8, 64712840), (10, 51770272), (16, 32356420), (20, 25885136), (32, 16178210), (40, 12942568), (64, 8089105), (80, 6471284), (103, 5026240), (113, 4581440), (139, 3724480), (160, 3235642), (206, 2513120), (226, 2290720), (278, 1862240), (320, 1617821), (412, 1256560), (452, 1145360), (515, 1005248), (556, 931120), (565, 916288), (695, 744896), (824, 628280), (904, 572680), (1030, 502624), (1112, 465560), (1130, 458144), (1390, 372448), (1648, 314140), (1808, 286340), (2060, 251312), (2224, 232780), (2260, 229072), (2780, 186224), (3296, 157070), (3616, 143170), (4120, 125656), (4448, 116390), (4520, 114536), (5560, 93112), (6592, 78535), (7232, 71585), (8240, 62828), (8896, 58195), (9040, 57268), (11120, 46556), (11639, 44480), (14317, 36160), (15707, 32960), (16480, 31414), (18080, 28634), (22240, 23278)]