18456160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 45759168

約数和(自身を除く): 27303008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1220, 1240, 1891, 1952, 2440, 2480, 3721, 3782, 4880, 4960, 7442, 7564, 9455, 9760, 14884, 15128, 18605, 18910, 29768, 30256, 37210, 37820, 59536, 60512, 74420, 75640, 115351, 119072, 148840, 151280, 230702, 297680, 302560, 461404, 576755, 595360, 922808, 1153510, 1845616, 2307020, 3691232, 4614040, 9228080, 18456160]

約数ペア:

[(1, 18456160), (2, 9228080), (4, 4614040), (5, 3691232), (8, 2307020), (10, 1845616), (16, 1153510), (20, 922808), (31, 595360), (32, 576755), (40, 461404), (61, 302560), (62, 297680), (80, 230702), (122, 151280), (124, 148840), (155, 119072), (160, 115351), (244, 75640), (248, 74420), (305, 60512), (310, 59536), (488, 37820), (496, 37210), (610, 30256), (620, 29768), (976, 18910), (992, 18605), (1220, 15128), (1240, 14884), (1891, 9760), (1952, 9455), (2440, 7564), (2480, 7442), (3721, 4960), (3782, 4880)]