18187320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151561}}^1$

素因数の和:151575

約数の個数: 32

約数和(自身を含む): 54562320

約数和(自身を除く): 36375000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151561, 303122, 454683, 606244, 757805, 909366, 1212488, 1515610, 1818732, 2273415, 3031220, 3637464, 4546830, 6062440, 9093660, 18187320]

約数ペア:

[(1, 18187320), (2, 9093660), (3, 6062440), (4, 4546830), (5, 3637464), (6, 3031220), (8, 2273415), (10, 1818732), (12, 1515610), (15, 1212488), (20, 909366), (24, 757805), (30, 606244), (40, 454683), (60, 303122), (120, 151561)]