68017815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 128381760

約数和(自身を除く): 60363945

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 79, 95, 159, 171, 237, 265, 285, 361, 395, 477, 711, 795, 855, 1007, 1083, 1185, 1501, 1805, 2385, 3021, 3249, 3555, 4187, 4503, 5035, 5415, 7505, 9063, 12561, 13509, 15105, 16245, 19133, 20935, 22515, 28519, 37683, 45315, 57399, 62805, 67545, 79553, 85557, 95665, 142595, 172197, 188415, 238659, 256671, 286995, 397765, 427785, 715977, 860985, 1193295, 1283355, 1511507, 3579885, 4534521, 7557535, 13603563, 22672605, 68017815]

約数ペア:

[(1, 68017815), (3, 22672605), (5, 13603563), (9, 7557535), (15, 4534521), (19, 3579885), (45, 1511507), (53, 1283355), (57, 1193295), (79, 860985), (95, 715977), (159, 427785), (171, 397765), (237, 286995), (265, 256671), (285, 238659), (361, 188415), (395, 172197), (477, 142595), (711, 95665), (795, 85557), (855, 79553), (1007, 67545), (1083, 62805), (1185, 57399), (1501, 45315), (1805, 37683), (2385, 28519), (3021, 22515), (3249, 20935), (3555, 19133), (4187, 16245), (4503, 15105), (5035, 13509), (5415, 12561), (7505, 9063)]