161020320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{335459}}^1$

素因数の和:335477

約数の個数: 48

約数和(自身を含む): 507215520

約数和(自身を除く): 346195200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 335459, 670918, 1006377, 1341836, 1677295, 2012754, 2683672, 3354590, 4025508, 5031885, 5367344, 6709180, 8051016, 10063770, 10734688, 13418360, 16102032, 20127540, 26836720, 32204064, 40255080, 53673440, 80510160, 161020320]

約数ペア:

[(1, 161020320), (2, 80510160), (3, 53673440), (4, 40255080), (5, 32204064), (6, 26836720), (8, 20127540), (10, 16102032), (12, 13418360), (15, 10734688), (16, 10063770), (20, 8051016), (24, 6709180), (30, 5367344), (32, 5031885), (40, 4025508), (48, 3354590), (60, 2683672), (80, 2012754), (96, 1677295), (120, 1341836), (160, 1006377), (240, 670918), (480, 335459)]