64248640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 112

約数和(自身を含む): 161300160

約数和(自身を除く): 97051520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 59, 64, 80, 82, 83, 118, 160, 164, 166, 205, 236, 295, 320, 328, 332, 410, 415, 472, 590, 656, 664, 820, 830, 944, 1180, 1312, 1328, 1640, 1660, 1888, 2360, 2419, 2624, 2656, 3280, 3320, 3403, 3776, 4720, 4838, 4897, 5312, 6560, 6640, 6806, 9440, 9676, 9794, 12095, 13120, 13280, 13612, 17015, 18880, 19352, 19588, 24190, 24485, 26560, 27224, 34030, 38704, 39176, 48380, 48970, 54448, 68060, 77408, 78352, 96760, 97940, 108896, 136120, 154816, 156704, 193520, 195880, 200777, 217792, 272240, 313408, 387040, 391760, 401554, 544480, 774080, 783520, 803108, 1003885, 1088960, 1567040, 1606216, 2007770, 3212432, 4015540, 6424864, 8031080, 12849728, 16062160, 32124320, 64248640]

約数ペア:

[(1, 64248640), (2, 32124320), (4, 16062160), (5, 12849728), (8, 8031080), (10, 6424864), (16, 4015540), (20, 3212432), (32, 2007770), (40, 1606216), (41, 1567040), (59, 1088960), (64, 1003885), (80, 803108), (82, 783520), (83, 774080), (118, 544480), (160, 401554), (164, 391760), (166, 387040), (205, 313408), (236, 272240), (295, 217792), (320, 200777), (328, 195880), (332, 193520), (410, 156704), (415, 154816), (472, 136120), (590, 108896), (656, 97940), (664, 96760), (820, 78352), (830, 77408), (944, 68060), (1180, 54448), (1312, 48970), (1328, 48380), (1640, 39176), (1660, 38704), (1888, 34030), (2360, 27224), (2419, 26560), (2624, 24485), (2656, 24190), (3280, 19588), (3320, 19352), (3403, 18880), (3776, 17015), (4720, 13612), (4838, 13280), (4897, 13120), (5312, 12095), (6560, 9794), (6640, 9676), (6806, 9440)]