1989297360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{920971}}^1$

素因数の和:920993

約数の個数: 80

約数和(自身を含む): 6852031680

約数和(自身を除く): 4862734320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 920971, 1841942, 2762913, 3683884, 4604855, 5525826, 7367768, 8288739, 9209710, 11051652, 13814565, 14735536, 16577478, 18419420, 22103304, 24866217, 27629130, 33154956, 36838840, 41443695, 44206608, 49732434, 55258260, 66309912, 73677680, 82887390, 99464868, 110516520, 124331085, 132619824, 165774780, 198929736, 221033040, 248662170, 331549560, 397859472, 497324340, 663099120, 994648680, 1989297360]

約数ペア:

[(1, 1989297360), (2, 994648680), (3, 663099120), (4, 497324340), (5, 397859472), (6, 331549560), (8, 248662170), (9, 221033040), (10, 198929736), (12, 165774780), (15, 132619824), (16, 124331085), (18, 110516520), (20, 99464868), (24, 82887390), (27, 73677680), (30, 66309912), (36, 55258260), (40, 49732434), (45, 44206608), (48, 41443695), (54, 36838840), (60, 33154956), (72, 27629130), (80, 24866217), (90, 22103304), (108, 18419420), (120, 16577478), (135, 14735536), (144, 13814565), (180, 11051652), (216, 9209710), (240, 8288739), (270, 7367768), (360, 5525826), (432, 4604855), (540, 3683884), (720, 2762913), (1080, 1841942), (2160, 920971)]