30291560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4481}}^1$

素因数の和:4518

約数の個数: 48

約数和(自身を含む): 73818540

約数和(自身を除く): 43526980

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4481, 6760, 8962, 17924, 22405, 35848, 44810, 58253, 89620, 116506, 179240, 233012, 291265, 466024, 582530, 757289, 1165060, 1514578, 2330120, 3029156, 3786445, 6058312, 7572890, 15145780, 30291560]

約数ペア:

[(1, 30291560), (2, 15145780), (4, 7572890), (5, 6058312), (8, 3786445), (10, 3029156), (13, 2330120), (20, 1514578), (26, 1165060), (40, 757289), (52, 582530), (65, 466024), (104, 291265), (130, 233012), (169, 179240), (260, 116506), (338, 89620), (520, 58253), (676, 44810), (845, 35848), (1352, 22405), (1690, 17924), (3380, 8962), (4481, 6760)]