61980320

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7309}}^1$

素因数の和:7377

約数の個数: 48

約数和(自身を含む): 149211720

約数和(自身を除く): 87231400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 7309, 8480, 14618, 29236, 36545, 58472, 73090, 116944, 146180, 233888, 292360, 387377, 584720, 774754, 1169440, 1549508, 1936885, 3099016, 3873770, 6198032, 7747540, 12396064, 15495080, 30990160, 61980320]

約数ペア:

[(1, 61980320), (2, 30990160), (4, 15495080), (5, 12396064), (8, 7747540), (10, 6198032), (16, 3873770), (20, 3099016), (32, 1936885), (40, 1549508), (53, 1169440), (80, 774754), (106, 584720), (160, 387377), (212, 292360), (265, 233888), (424, 146180), (530, 116944), (848, 73090), (1060, 58472), (1696, 36545), (2120, 29236), (4240, 14618), (7309, 8480)]