15328720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17419}}^1$

素因数の和:17443

約数の個数: 40

約数和(自身を含む): 38881440

約数和(自身を除く): 23552720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 17419, 34838, 69676, 87095, 139352, 174190, 191609, 278704, 348380, 383218, 696760, 766436, 958045, 1393520, 1532872, 1916090, 3065744, 3832180, 7664360, 15328720]

約数ペア:

[(1, 15328720), (2, 7664360), (4, 3832180), (5, 3065744), (8, 1916090), (10, 1532872), (11, 1393520), (16, 958045), (20, 766436), (22, 696760), (40, 383218), (44, 348380), (55, 278704), (80, 191609), (88, 174190), (110, 139352), (176, 87095), (220, 69676), (440, 34838), (880, 17419)]