1566240880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2522

約数の個数: 80

約数和(自身を含む): 3729448800

約数和(自身を除く): 2163207920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 139, 244, 278, 305, 488, 556, 610, 695, 976, 1112, 1220, 1390, 2224, 2309, 2440, 2780, 4618, 4880, 5560, 8479, 9236, 11120, 11545, 16958, 18472, 23090, 33916, 36944, 42395, 46180, 67832, 84790, 92360, 135664, 140849, 169580, 184720, 281698, 320951, 339160, 563396, 641902, 678320, 704245, 1126792, 1283804, 1408490, 1604755, 2253584, 2567608, 2816980, 3209510, 5135216, 5633960, 6419020, 11267920, 12838040, 19578011, 25676080, 39156022, 78312044, 97890055, 156624088, 195780110, 313248176, 391560220, 783120440, 1566240880]

約数ペア:

[(1, 1566240880), (2, 783120440), (4, 391560220), (5, 313248176), (8, 195780110), (10, 156624088), (16, 97890055), (20, 78312044), (40, 39156022), (61, 25676080), (80, 19578011), (122, 12838040), (139, 11267920), (244, 6419020), (278, 5633960), (305, 5135216), (488, 3209510), (556, 2816980), (610, 2567608), (695, 2253584), (976, 1604755), (1112, 1408490), (1220, 1283804), (1390, 1126792), (2224, 704245), (2309, 678320), (2440, 641902), (2780, 563396), (4618, 339160), (4880, 320951), (5560, 281698), (8479, 184720), (9236, 169580), (11120, 140849), (11545, 135664), (16958, 92360), (18472, 84790), (23090, 67832), (33916, 46180), (36944, 42395)]