131720520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10657}}^1$

素因数の和:10774

約数の個数: 64

約数和(自身を含む): 399035520

約数和(自身を除く): 267315000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 10657, 12360, 21314, 31971, 42628, 53285, 63942, 85256, 106570, 127884, 159855, 213140, 255768, 319710, 426280, 639420, 1097671, 1278840, 2195342, 3293013, 4390684, 5488355, 6586026, 8781368, 10976710, 13172052, 16465065, 21953420, 26344104, 32930130, 43906840, 65860260, 131720520]

約数ペア:

[(1, 131720520), (2, 65860260), (3, 43906840), (4, 32930130), (5, 26344104), (6, 21953420), (8, 16465065), (10, 13172052), (12, 10976710), (15, 8781368), (20, 6586026), (24, 5488355), (30, 4390684), (40, 3293013), (60, 2195342), (103, 1278840), (120, 1097671), (206, 639420), (309, 426280), (412, 319710), (515, 255768), (618, 213140), (824, 159855), (1030, 127884), (1236, 106570), (1545, 85256), (2060, 63942), (2472, 53285), (3090, 42628), (4120, 31971), (6180, 21314), (10657, 12360)]