78994680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2503}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 237980160

約数和(自身を除く): 158985480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2503, 2630, 3156, 3945, 5006, 5260, 6312, 7509, 7890, 10012, 10520, 12515, 15018, 15780, 20024, 25030, 30036, 31560, 37545, 50060, 60072, 75090, 100120, 150180, 300360, 658289, 1316578, 1974867, 2633156, 3291445, 3949734, 5266312, 6582890, 7899468, 9874335, 13165780, 15798936, 19748670, 26331560, 39497340, 78994680]

約数ペア:

[(1, 78994680), (2, 39497340), (3, 26331560), (4, 19748670), (5, 15798936), (6, 13165780), (8, 9874335), (10, 7899468), (12, 6582890), (15, 5266312), (20, 3949734), (24, 3291445), (30, 2633156), (40, 1974867), (60, 1316578), (120, 658289), (263, 300360), (526, 150180), (789, 100120), (1052, 75090), (1315, 60072), (1578, 50060), (2104, 37545), (2503, 31560), (2630, 30036), (3156, 25030), (3945, 20024), (5006, 15780), (5260, 15018), (6312, 12515), (7509, 10520), (7890, 10012)]