18818160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 59058720

約数和(自身を除く): 40240560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 881, 890, 1068, 1335, 1424, 1762, 1780, 2136, 2643, 2670, 3524, 3560, 4272, 4405, 5286, 5340, 7048, 7120, 8810, 10572, 10680, 13215, 14096, 17620, 21144, 21360, 26430, 35240, 42288, 52860, 70480, 78409, 105720, 156818, 211440, 235227, 313636, 392045, 470454, 627272, 784090, 940908, 1176135, 1254544, 1568180, 1881816, 2352270, 3136360, 3763632, 4704540, 6272720, 9409080, 18818160]

約数ペア:

[(1, 18818160), (2, 9409080), (3, 6272720), (4, 4704540), (5, 3763632), (6, 3136360), (8, 2352270), (10, 1881816), (12, 1568180), (15, 1254544), (16, 1176135), (20, 940908), (24, 784090), (30, 627272), (40, 470454), (48, 392045), (60, 313636), (80, 235227), (89, 211440), (120, 156818), (178, 105720), (240, 78409), (267, 70480), (356, 52860), (445, 42288), (534, 35240), (712, 26430), (881, 21360), (890, 21144), (1068, 17620), (1335, 14096), (1424, 13215), (1762, 10680), (1780, 10572), (2136, 8810), (2643, 7120), (2670, 7048), (3524, 5340), (3560, 5286), (4272, 4405)]