2991320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 7348320

約数和(自身を除く): 4357000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 83, 85, 106, 136, 166, 170, 212, 265, 332, 340, 415, 424, 530, 664, 680, 830, 901, 1060, 1411, 1660, 1802, 2120, 2822, 3320, 3604, 4399, 4505, 5644, 7055, 7208, 8798, 9010, 11288, 14110, 17596, 18020, 21995, 28220, 35192, 36040, 43990, 56440, 74783, 87980, 149566, 175960, 299132, 373915, 598264, 747830, 1495660, 2991320]

約数ペア:

[(1, 2991320), (2, 1495660), (4, 747830), (5, 598264), (8, 373915), (10, 299132), (17, 175960), (20, 149566), (34, 87980), (40, 74783), (53, 56440), (68, 43990), (83, 36040), (85, 35192), (106, 28220), (136, 21995), (166, 18020), (170, 17596), (212, 14110), (265, 11288), (332, 9010), (340, 8798), (415, 7208), (424, 7055), (530, 5644), (664, 4505), (680, 4399), (830, 3604), (901, 3320), (1060, 2822), (1411, 2120), (1660, 1802)]