168465640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20747}}^1$

素因数の和:20794

約数の個数: 64

約数和(自身を含む): 448156800

約数和(自身を除く): 279691160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 20747, 41494, 82988, 103735, 145229, 165976, 207470, 290458, 414940, 580916, 601663, 726145, 829880, 1161832, 1203326, 1452290, 2406652, 2904580, 3008315, 4211641, 4813304, 5809160, 6016630, 8423282, 12033260, 16846564, 21058205, 24066520, 33693128, 42116410, 84232820, 168465640]

約数ペア:

[(1, 168465640), (2, 84232820), (4, 42116410), (5, 33693128), (7, 24066520), (8, 21058205), (10, 16846564), (14, 12033260), (20, 8423282), (28, 6016630), (29, 5809160), (35, 4813304), (40, 4211641), (56, 3008315), (58, 2904580), (70, 2406652), (116, 1452290), (140, 1203326), (145, 1161832), (203, 829880), (232, 726145), (280, 601663), (290, 580916), (406, 414940), (580, 290458), (812, 207470), (1015, 165976), (1160, 145229), (1624, 103735), (2030, 82988), (4060, 41494), (8120, 20747)]