90618228

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 243891648

約数和(自身を除く): 153273420

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 263, 306, 526, 563, 612, 789, 1052, 1126, 1578, 1689, 2252, 2367, 3156, 3378, 4471, 4734, 5067, 6756, 8942, 9468, 9571, 10134, 13413, 17884, 19142, 20268, 26826, 28713, 38284, 40239, 53652, 57426, 80478, 86139, 114852, 148069, 160956, 172278, 296138, 344556, 444207, 592276, 888414, 1332621, 1776828, 2517173, 2665242, 5034346, 5330484, 7551519, 10068692, 15103038, 22654557, 30206076, 45309114, 90618228]

約数ペア:

[(1, 90618228), (2, 45309114), (3, 30206076), (4, 22654557), (6, 15103038), (9, 10068692), (12, 7551519), (17, 5330484), (18, 5034346), (34, 2665242), (36, 2517173), (51, 1776828), (68, 1332621), (102, 888414), (153, 592276), (204, 444207), (263, 344556), (306, 296138), (526, 172278), (563, 160956), (612, 148069), (789, 114852), (1052, 86139), (1126, 80478), (1578, 57426), (1689, 53652), (2252, 40239), (2367, 38284), (3156, 28713), (3378, 26826), (4471, 20268), (4734, 19142), (5067, 17884), (6756, 13413), (8942, 10134), (9468, 9571)]