209095320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1087}}^1$

素因数の和:1337

約数の個数: 128

約数和(自身を含む): 720691200

約数和(自身を除く): 511595880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 229, 280, 420, 458, 687, 840, 916, 1087, 1145, 1374, 1603, 1832, 2174, 2290, 2748, 3206, 3261, 3435, 4348, 4580, 4809, 5435, 5496, 6412, 6522, 6870, 7609, 8015, 8696, 9160, 9618, 10870, 12824, 13044, 13740, 15218, 16030, 16305, 19236, 21740, 22827, 24045, 26088, 27480, 30436, 32060, 32610, 38045, 38472, 43480, 45654, 48090, 60872, 64120, 65220, 76090, 91308, 96180, 114135, 130440, 152180, 182616, 192360, 228270, 248923, 304360, 456540, 497846, 746769, 913080, 995692, 1244615, 1493538, 1742461, 1991384, 2489230, 2987076, 3484922, 3733845, 4978460, 5227383, 5974152, 6969844, 7467690, 8712305, 9956920, 10454766, 13939688, 14935380, 17424610, 20909532, 26136915, 29870760, 34849220, 41819064, 52273830, 69698440, 104547660, 209095320]

約数ペア:

[(1, 209095320), (2, 104547660), (3, 69698440), (4, 52273830), (5, 41819064), (6, 34849220), (7, 29870760), (8, 26136915), (10, 20909532), (12, 17424610), (14, 14935380), (15, 13939688), (20, 10454766), (21, 9956920), (24, 8712305), (28, 7467690), (30, 6969844), (35, 5974152), (40, 5227383), (42, 4978460), (56, 3733845), (60, 3484922), (70, 2987076), (84, 2489230), (105, 1991384), (120, 1742461), (140, 1493538), (168, 1244615), (210, 995692), (229, 913080), (280, 746769), (420, 497846), (458, 456540), (687, 304360), (840, 248923), (916, 228270), (1087, 192360), (1145, 182616), (1374, 152180), (1603, 130440), (1832, 114135), (2174, 96180), (2290, 91308), (2748, 76090), (3206, 65220), (3261, 64120), (3435, 60872), (4348, 48090), (4580, 45654), (4809, 43480), (5435, 38472), (5496, 38045), (6412, 32610), (6522, 32060), (6870, 30436), (7609, 27480), (8015, 26088), (8696, 24045), (9160, 22827), (9618, 21740), (10870, 19236), (12824, 16305), (13044, 16030), (13740, 15218)]