217996920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1187

約数の個数: 160

約数和(自身を含む): 745398720

約数和(自身を除く): 527401800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 244, 270, 305, 324, 360, 366, 405, 488, 540, 549, 610, 648, 732, 810, 915, 1080, 1098, 1103, 1220, 1464, 1620, 1647, 1830, 2196, 2206, 2440, 2745, 3240, 3294, 3309, 3660, 4392, 4412, 4941, 5490, 5515, 6588, 6618, 7320, 8235, 8824, 9882, 9927, 10980, 11030, 13176, 13236, 16470, 16545, 19764, 19854, 21960, 22060, 24705, 26472, 29781, 32940, 33090, 39528, 39708, 44120, 49410, 49635, 59562, 65880, 66180, 67283, 79416, 89343, 98820, 99270, 119124, 132360, 134566, 148905, 178686, 197640, 198540, 201849, 238248, 269132, 297810, 336415, 357372, 397080, 403698, 446715, 538264, 595620, 605547, 672830, 714744, 807396, 893430, 1009245, 1191240, 1211094, 1345660, 1614792, 1786860, 1816641, 2018490, 2422188, 2691320, 3027735, 3573720, 3633282, 4036980, 4844376, 5449923, 6055470, 7266564, 8073960, 9083205, 10899846, 12110940, 14533128, 18166410, 21799692, 24221880, 27249615, 36332820, 43599384, 54499230, 72665640, 108998460, 217996920]

約数ペア:

[(1, 217996920), (2, 108998460), (3, 72665640), (4, 54499230), (5, 43599384), (6, 36332820), (8, 27249615), (9, 24221880), (10, 21799692), (12, 18166410), (15, 14533128), (18, 12110940), (20, 10899846), (24, 9083205), (27, 8073960), (30, 7266564), (36, 6055470), (40, 5449923), (45, 4844376), (54, 4036980), (60, 3633282), (61, 3573720), (72, 3027735), (81, 2691320), (90, 2422188), (108, 2018490), (120, 1816641), (122, 1786860), (135, 1614792), (162, 1345660), (180, 1211094), (183, 1191240), (216, 1009245), (244, 893430), (270, 807396), (305, 714744), (324, 672830), (360, 605547), (366, 595620), (405, 538264), (488, 446715), (540, 403698), (549, 397080), (610, 357372), (648, 336415), (732, 297810), (810, 269132), (915, 238248), (1080, 201849), (1098, 198540), (1103, 197640), (1220, 178686), (1464, 148905), (1620, 134566), (1647, 132360), (1830, 119124), (2196, 99270), (2206, 98820), (2440, 89343), (2745, 79416), (3240, 67283), (3294, 66180), (3309, 65880), (3660, 59562), (4392, 49635), (4412, 49410), (4941, 44120), (5490, 39708), (5515, 39528), (6588, 33090), (6618, 32940), (7320, 29781), (8235, 26472), (8824, 24705), (9882, 22060), (9927, 21960), (10980, 19854), (11030, 19764), (13176, 16545), (13236, 16470)]