161235540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16901}}^1$

素因数の和:16969

約数の個数: 72

約数和(自身を含む): 498338568

約数和(自身を除く): 337103028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 16901, 33802, 50703, 67604, 84505, 101406, 152109, 169010, 202812, 253515, 304218, 338020, 507030, 608436, 760545, 895753, 1014060, 1521090, 1791506, 2687259, 3042180, 3583012, 4478765, 5374518, 8061777, 8957530, 10749036, 13436295, 16123554, 17915060, 26872590, 32247108, 40308885, 53745180, 80617770, 161235540]

約数ペア:

[(1, 161235540), (2, 80617770), (3, 53745180), (4, 40308885), (5, 32247108), (6, 26872590), (9, 17915060), (10, 16123554), (12, 13436295), (15, 10749036), (18, 8957530), (20, 8061777), (30, 5374518), (36, 4478765), (45, 3583012), (53, 3042180), (60, 2687259), (90, 1791506), (106, 1521090), (159, 1014060), (180, 895753), (212, 760545), (265, 608436), (318, 507030), (477, 338020), (530, 304218), (636, 253515), (795, 202812), (954, 169010), (1060, 152109), (1590, 101406), (1908, 84505), (2385, 67604), (3180, 50703), (4770, 33802), (9540, 16901)]