655590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 1736784

約数和(自身を除く): 1081194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 1681, 2665, 3198, 3362, 5043, 5330, 7995, 8405, 10086, 15990, 16810, 21853, 25215, 43706, 50430, 65559, 109265, 131118, 218530, 327795, 655590]

約数ペア:

[(1, 655590), (2, 327795), (3, 218530), (5, 131118), (6, 109265), (10, 65559), (13, 50430), (15, 43706), (26, 25215), (30, 21853), (39, 16810), (41, 15990), (65, 10086), (78, 8405), (82, 7995), (123, 5330), (130, 5043), (195, 3362), (205, 3198), (246, 2665), (390, 1681), (410, 1599), (533, 1230), (615, 1066)]