161290320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{672043}}^1$

素因数の和:672059

約数の個数: 40

約数和(自身を含む): 500000736

約数和(自身を除く): 338710416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 672043, 1344086, 2016129, 2688172, 3360215, 4032258, 5376344, 6720430, 8064516, 10080645, 10752688, 13440860, 16129032, 20161290, 26881720, 32258064, 40322580, 53763440, 80645160, 161290320]

約数ペア:

[(1, 161290320), (2, 80645160), (3, 53763440), (4, 40322580), (5, 32258064), (6, 26881720), (8, 20161290), (10, 16129032), (12, 13440860), (15, 10752688), (16, 10080645), (20, 8064516), (24, 6720430), (30, 5376344), (40, 4032258), (48, 3360215), (60, 2688172), (80, 2016129), (120, 1344086), (240, 672043)]