66819120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{278413}}^1$

素因数の和:278429

約数の個数: 40

約数和(自身を含む): 207140016

約数和(自身を除く): 140320896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 278413, 556826, 835239, 1113652, 1392065, 1670478, 2227304, 2784130, 3340956, 4176195, 4454608, 5568260, 6681912, 8352390, 11136520, 13363824, 16704780, 22273040, 33409560, 66819120]

約数ペア:

[(1, 66819120), (2, 33409560), (3, 22273040), (4, 16704780), (5, 13363824), (6, 11136520), (8, 8352390), (10, 6681912), (12, 5568260), (15, 4454608), (16, 4176195), (20, 3340956), (24, 2784130), (30, 2227304), (40, 1670478), (48, 1392065), (60, 1113652), (80, 835239), (120, 556826), (240, 278413)]