21690153720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{360781}}^1$

素因数の和:360965

約数の個数: 96

約数和(自身を含む): 70915309920

約数和(自身を除く): 49225156200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 167, 180, 334, 360, 501, 668, 835, 1002, 1336, 1503, 1670, 2004, 2505, 3006, 3340, 4008, 5010, 6012, 6680, 7515, 10020, 12024, 15030, 20040, 30060, 60120, 360781, 721562, 1082343, 1443124, 1803905, 2164686, 2886248, 3247029, 3607810, 4329372, 5411715, 6494058, 7215620, 8658744, 10823430, 12988116, 14431240, 16235145, 21646860, 25976232, 32470290, 43293720, 60250427, 64940580, 120500854, 129881160, 180751281, 241001708, 301252135, 361502562, 482003416, 542253843, 602504270, 723005124, 903756405, 1084507686, 1205008540, 1446010248, 1807512810, 2169015372, 2410017080, 2711269215, 3615025620, 4338030744, 5422538430, 7230051240, 10845076860, 21690153720]

約数ペア:

[(1, 21690153720), (2, 10845076860), (3, 7230051240), (4, 5422538430), (5, 4338030744), (6, 3615025620), (8, 2711269215), (9, 2410017080), (10, 2169015372), (12, 1807512810), (15, 1446010248), (18, 1205008540), (20, 1084507686), (24, 903756405), (30, 723005124), (36, 602504270), (40, 542253843), (45, 482003416), (60, 361502562), (72, 301252135), (90, 241001708), (120, 180751281), (167, 129881160), (180, 120500854), (334, 64940580), (360, 60250427), (501, 43293720), (668, 32470290), (835, 25976232), (1002, 21646860), (1336, 16235145), (1503, 14431240), (1670, 12988116), (2004, 10823430), (2505, 8658744), (3006, 7215620), (3340, 6494058), (4008, 5411715), (5010, 4329372), (6012, 3607810), (6680, 3247029), (7515, 2886248), (10020, 2164686), (12024, 1803905), (15030, 1443124), (20040, 1082343), (30060, 721562), (60120, 360781)]