71984720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 173024640

約数和(自身を除く): 101039920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 101, 118, 151, 202, 236, 295, 302, 404, 472, 505, 590, 604, 755, 808, 944, 1010, 1180, 1208, 1510, 1616, 2020, 2360, 2416, 3020, 4040, 4720, 5959, 6040, 8080, 8909, 11918, 12080, 15251, 17818, 23836, 29795, 30502, 35636, 44545, 47672, 59590, 61004, 71272, 76255, 89090, 95344, 119180, 122008, 142544, 152510, 178180, 238360, 244016, 305020, 356360, 476720, 610040, 712720, 899809, 1220080, 1799618, 3599236, 4499045, 7198472, 8998090, 14396944, 17996180, 35992360, 71984720]

約数ペア:

[(1, 71984720), (2, 35992360), (4, 17996180), (5, 14396944), (8, 8998090), (10, 7198472), (16, 4499045), (20, 3599236), (40, 1799618), (59, 1220080), (80, 899809), (101, 712720), (118, 610040), (151, 476720), (202, 356360), (236, 305020), (295, 244016), (302, 238360), (404, 178180), (472, 152510), (505, 142544), (590, 122008), (604, 119180), (755, 95344), (808, 89090), (944, 76255), (1010, 71272), (1180, 61004), (1208, 59590), (1510, 47672), (1616, 44545), (2020, 35636), (2360, 30502), (2416, 29795), (3020, 23836), (4040, 17818), (4720, 15251), (5959, 12080), (6040, 11918), (8080, 8909)]