80168325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 145157376

約数和(自身を除く): 64989051

約数列:

[1, 3, 5, 15, 25, 29, 31, 41, 75, 87, 93, 123, 145, 155, 205, 435, 465, 615, 725, 775, 841, 899, 1025, 1189, 1271, 2175, 2325, 2523, 2697, 3075, 3567, 3813, 4205, 4495, 5945, 6355, 12615, 13485, 17835, 19065, 21025, 22475, 26071, 29725, 31775, 34481, 36859, 63075, 67425, 78213, 89175, 95325, 103443, 110577, 130355, 172405, 184295, 391065, 517215, 552885, 651775, 862025, 921475, 1068911, 1955325, 2586075, 2764425, 3206733, 5344555, 16033665, 26722775, 80168325]

約数ペア:

[(1, 80168325), (3, 26722775), (5, 16033665), (15, 5344555), (25, 3206733), (29, 2764425), (31, 2586075), (41, 1955325), (75, 1068911), (87, 921475), (93, 862025), (123, 651775), (145, 552885), (155, 517215), (205, 391065), (435, 184295), (465, 172405), (615, 130355), (725, 110577), (775, 103443), (841, 95325), (899, 89175), (1025, 78213), (1189, 67425), (1271, 63075), (2175, 36859), (2325, 34481), (2523, 31775), (2697, 29725), (3075, 26071), (3567, 22475), (3813, 21025), (4205, 19065), (4495, 17835), (5945, 13485), (6355, 12615)]