30812820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3271}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 86851968

約数和(自身を除く): 56039148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 3271, 4710, 6542, 9420, 9813, 13084, 16355, 19626, 32710, 39252, 49065, 65420, 98130, 196260, 513547, 1027094, 1540641, 2054188, 2567735, 3081282, 5135470, 6162564, 7703205, 10270940, 15406410, 30812820]

約数ペア:

[(1, 30812820), (2, 15406410), (3, 10270940), (4, 7703205), (5, 6162564), (6, 5135470), (10, 3081282), (12, 2567735), (15, 2054188), (20, 1540641), (30, 1027094), (60, 513547), (157, 196260), (314, 98130), (471, 65420), (628, 49065), (785, 39252), (942, 32710), (1570, 19626), (1884, 16355), (2355, 13084), (3140, 9813), (3271, 9420), (4710, 6542)]