657483480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 2220427440

約数和(自身を除く): 1562943960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 307, 324, 360, 405, 540, 614, 648, 661, 810, 921, 1080, 1228, 1322, 1535, 1620, 1842, 1983, 2456, 2644, 2763, 3070, 3240, 3305, 3684, 3966, 4605, 5288, 5526, 5949, 6140, 6610, 7368, 7932, 8289, 9210, 9915, 11052, 11898, 12280, 13220, 13815, 15864, 16578, 17847, 18420, 19830, 22104, 23796, 24867, 26440, 27630, 29745, 33156, 35694, 36840, 39660, 41445, 47592, 49734, 53541, 55260, 59490, 66312, 71388, 79320, 82890, 89235, 99468, 107082, 110520, 118980, 124335, 142776, 165780, 178470, 198936, 202927, 214164, 237960, 248670, 267705, 331560, 356940, 405854, 428328, 497340, 535410, 608781, 713880, 811708, 994680, 1014635, 1070820, 1217562, 1623416, 1826343, 2029270, 2141640, 2435124, 3043905, 3652686, 4058540, 4870248, 5479029, 6087810, 7305372, 8117080, 9131715, 10958058, 12175620, 14610744, 16437087, 18263430, 21916116, 24351240, 27395145, 32874174, 36526860, 43832232, 54790290, 65748348, 73053720, 82185435, 109580580, 131496696, 164370870, 219161160, 328741740, 657483480]

約数ペア:

[(1, 657483480), (2, 328741740), (3, 219161160), (4, 164370870), (5, 131496696), (6, 109580580), (8, 82185435), (9, 73053720), (10, 65748348), (12, 54790290), (15, 43832232), (18, 36526860), (20, 32874174), (24, 27395145), (27, 24351240), (30, 21916116), (36, 18263430), (40, 16437087), (45, 14610744), (54, 12175620), (60, 10958058), (72, 9131715), (81, 8117080), (90, 7305372), (108, 6087810), (120, 5479029), (135, 4870248), (162, 4058540), (180, 3652686), (216, 3043905), (270, 2435124), (307, 2141640), (324, 2029270), (360, 1826343), (405, 1623416), (540, 1217562), (614, 1070820), (648, 1014635), (661, 994680), (810, 811708), (921, 713880), (1080, 608781), (1228, 535410), (1322, 497340), (1535, 428328), (1620, 405854), (1842, 356940), (1983, 331560), (2456, 267705), (2644, 248670), (2763, 237960), (3070, 214164), (3240, 202927), (3305, 198936), (3684, 178470), (3966, 165780), (4605, 142776), (5288, 124335), (5526, 118980), (5949, 110520), (6140, 107082), (6610, 99468), (7368, 89235), (7932, 82890), (8289, 79320), (9210, 71388), (9915, 66312), (11052, 59490), (11898, 55260), (12280, 53541), (13220, 49734), (13815, 47592), (15864, 41445), (16578, 39660), (17847, 36840), (18420, 35694), (19830, 33156), (22104, 29745), (23796, 27630), (24867, 26440)]