7822640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 21218880

約数和(自身を除く): 13396240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 229, 244, 280, 305, 427, 458, 488, 560, 610, 854, 916, 976, 1145, 1220, 1603, 1708, 1832, 2135, 2290, 2440, 3206, 3416, 3664, 4270, 4580, 4880, 6412, 6832, 8015, 8540, 9160, 12824, 13969, 16030, 17080, 18320, 25648, 27938, 32060, 34160, 55876, 64120, 69845, 97783, 111752, 128240, 139690, 195566, 223504, 279380, 391132, 488915, 558760, 782264, 977830, 1117520, 1564528, 1955660, 3911320, 7822640]

約数ペア:

[(1, 7822640), (2, 3911320), (4, 1955660), (5, 1564528), (7, 1117520), (8, 977830), (10, 782264), (14, 558760), (16, 488915), (20, 391132), (28, 279380), (35, 223504), (40, 195566), (56, 139690), (61, 128240), (70, 111752), (80, 97783), (112, 69845), (122, 64120), (140, 55876), (229, 34160), (244, 32060), (280, 27938), (305, 25648), (427, 18320), (458, 17080), (488, 16030), (560, 13969), (610, 12824), (854, 9160), (916, 8540), (976, 8015), (1145, 6832), (1220, 6412), (1603, 4880), (1708, 4580), (1832, 4270), (2135, 3664), (2290, 3416), (2440, 3206)]