8378460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 25749360

約数和(自身を除く): 17370900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 523, 534, 801, 890, 1046, 1068, 1335, 1569, 1602, 1780, 2092, 2615, 2670, 3138, 3204, 4005, 4707, 5230, 5340, 6276, 7845, 8010, 9414, 10460, 15690, 16020, 18828, 23535, 31380, 46547, 47070, 93094, 94140, 139641, 186188, 232735, 279282, 418923, 465470, 558564, 698205, 837846, 930940, 1396410, 1675692, 2094615, 2792820, 4189230, 8378460]

約数ペア:

[(1, 8378460), (2, 4189230), (3, 2792820), (4, 2094615), (5, 1675692), (6, 1396410), (9, 930940), (10, 837846), (12, 698205), (15, 558564), (18, 465470), (20, 418923), (30, 279282), (36, 232735), (45, 186188), (60, 139641), (89, 94140), (90, 93094), (178, 47070), (180, 46547), (267, 31380), (356, 23535), (445, 18828), (523, 16020), (534, 15690), (801, 10460), (890, 9414), (1046, 8010), (1068, 7845), (1335, 6276), (1569, 5340), (1602, 5230), (1780, 4707), (2092, 4005), (2615, 3204), (2670, 3138)]