7158520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 17418240

約数和(自身を除く): 10259720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 251, 310, 460, 502, 620, 713, 920, 1004, 1240, 1255, 1426, 2008, 2510, 2852, 3565, 5020, 5704, 5773, 7130, 7781, 10040, 11546, 14260, 15562, 23092, 28520, 28865, 31124, 38905, 46184, 57730, 62248, 77810, 115460, 155620, 178963, 230920, 311240, 357926, 715852, 894815, 1431704, 1789630, 3579260, 7158520]

約数ペア:

[(1, 7158520), (2, 3579260), (4, 1789630), (5, 1431704), (8, 894815), (10, 715852), (20, 357926), (23, 311240), (31, 230920), (40, 178963), (46, 155620), (62, 115460), (92, 77810), (115, 62248), (124, 57730), (155, 46184), (184, 38905), (230, 31124), (248, 28865), (251, 28520), (310, 23092), (460, 15562), (502, 14260), (620, 11546), (713, 10040), (920, 7781), (1004, 7130), (1240, 5773), (1255, 5704), (1426, 5020), (2008, 3565), (2510, 2852)]