51615760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1592

約数の個数: 80

約数和(自身を含む): 139491072

約数和(自身を除く): 87875312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1511, 1708, 2135, 2440, 3022, 3416, 4270, 4880, 6044, 6832, 7555, 8540, 10577, 12088, 15110, 17080, 21154, 24176, 30220, 34160, 42308, 52885, 60440, 84616, 92171, 105770, 120880, 169232, 184342, 211540, 368684, 423080, 460855, 645197, 737368, 846160, 921710, 1290394, 1474736, 1843420, 2580788, 3225985, 3686840, 5161576, 6451970, 7373680, 10323152, 12903940, 25807880, 51615760]

約数ペア:

[(1, 51615760), (2, 25807880), (4, 12903940), (5, 10323152), (7, 7373680), (8, 6451970), (10, 5161576), (14, 3686840), (16, 3225985), (20, 2580788), (28, 1843420), (35, 1474736), (40, 1290394), (56, 921710), (61, 846160), (70, 737368), (80, 645197), (112, 460855), (122, 423080), (140, 368684), (244, 211540), (280, 184342), (305, 169232), (427, 120880), (488, 105770), (560, 92171), (610, 84616), (854, 60440), (976, 52885), (1220, 42308), (1511, 34160), (1708, 30220), (2135, 24176), (2440, 21154), (3022, 17080), (3416, 15110), (4270, 12088), (4880, 10577), (6044, 8540), (6832, 7555)]