18305520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 57451680

約数和(自身を除く): 39146160

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, 857, 890, 1068, 1335, 1424, 1714, 1780, 2136, 2571, 2670, 3428, 3560, 4272, 4285, 5142, 5340, 6856, 7120, 8570, 10284, 10680, 12855, 13712, 17140, 20568, 21360, 25710, 34280, 41136, 51420, 68560, 76273, 102840, 152546, 205680, 228819, 305092, 381365, 457638, 610184, 762730, 915276, 1144095, 1220368, 1525460, 1830552, 2288190, 3050920, 3661104, 4576380, 6101840, 9152760, 18305520]

約数ペア:

[(1, 18305520), (2, 9152760), (3, 6101840), (4, 4576380), (5, 3661104), (6, 3050920), (8, 2288190), (10, 1830552), (12, 1525460), (15, 1220368), (16, 1144095), (20, 915276), (24, 762730), (30, 610184), (40, 457638), (48, 381365), (60, 305092), (80, 228819), (89, 205680), (120, 152546), (178, 102840), (240, 76273), (267, 68560), (356, 51420), (445, 41136), (534, 34280), (712, 25710), (857, 21360), (890, 20568), (1068, 17140), (1335, 13712), (1424, 12855), (1714, 10680), (1780, 10284), (2136, 8570), (2571, 7120), (2670, 6856), (3428, 5340), (3560, 5142), (4272, 4285)]