720293742

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61469}}^1$

素因数の和:61518

約数の個数: 64

約数和(自身を含む): 1888358400

約数和(自身を除く): 1168064658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 3906, 5859, 11718, 61469, 122938, 184407, 368814, 430283, 553221, 860566, 1106442, 1290849, 1659663, 1905539, 2581698, 3319326, 3811078, 3872547, 5716617, 7745094, 11433234, 11617641, 13338773, 17149851, 23235282, 26677546, 34299702, 40016319, 51449553, 80032638, 102899106, 120048957, 240097914, 360146871, 720293742]

約数ペア:

[(1, 720293742), (2, 360146871), (3, 240097914), (6, 120048957), (7, 102899106), (9, 80032638), (14, 51449553), (18, 40016319), (21, 34299702), (27, 26677546), (31, 23235282), (42, 17149851), (54, 13338773), (62, 11617641), (63, 11433234), (93, 7745094), (126, 5716617), (186, 3872547), (189, 3811078), (217, 3319326), (279, 2581698), (378, 1905539), (434, 1659663), (558, 1290849), (651, 1106442), (837, 860566), (1302, 553221), (1674, 430283), (1953, 368814), (3906, 184407), (5859, 122938), (11718, 61469)]