1820320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 4451328

約数和(自身を除く): 2631008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 367, 496, 620, 734, 992, 1240, 1468, 1835, 2480, 2936, 3670, 4960, 5872, 7340, 11377, 11744, 14680, 22754, 29360, 45508, 56885, 58720, 91016, 113770, 182032, 227540, 364064, 455080, 910160, 1820320]

約数ペア:

[(1, 1820320), (2, 910160), (4, 455080), (5, 364064), (8, 227540), (10, 182032), (16, 113770), (20, 91016), (31, 58720), (32, 56885), (40, 45508), (62, 29360), (80, 22754), (124, 14680), (155, 11744), (160, 11377), (248, 7340), (310, 5872), (367, 4960), (496, 3670), (620, 2936), (734, 2480), (992, 1835), (1240, 1468)]