61680255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 123325440

約数和(自身を除く): 61645185

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 273, 365, 455, 511, 619, 949, 1095, 1365, 1533, 1857, 2555, 2847, 3095, 4333, 4745, 6643, 7665, 8047, 9285, 12999, 14235, 19929, 21665, 24141, 33215, 40235, 45187, 56329, 64995, 99645, 120705, 135561, 168987, 225935, 281645, 316309, 587431, 677805, 844935, 948927, 1581545, 1762293, 2937155, 4112017, 4744635, 8811465, 12336051, 20560085, 61680255]

約数ペア:

[(1, 61680255), (3, 20560085), (5, 12336051), (7, 8811465), (13, 4744635), (15, 4112017), (21, 2937155), (35, 1762293), (39, 1581545), (65, 948927), (73, 844935), (91, 677805), (105, 587431), (195, 316309), (219, 281645), (273, 225935), (365, 168987), (455, 135561), (511, 120705), (619, 99645), (949, 64995), (1095, 56329), (1365, 45187), (1533, 40235), (1857, 33215), (2555, 24141), (2847, 21665), (3095, 19929), (4333, 14235), (4745, 12999), (6643, 9285), (7665, 8047)]