64989375

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 124160256

約数和(自身を除く): 59170881

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 137, 165, 253, 275, 345, 375, 411, 575, 625, 685, 759, 825, 1265, 1375, 1507, 1725, 1875, 2055, 2875, 3151, 3425, 3795, 4125, 4521, 6325, 6875, 7535, 8625, 9453, 10275, 14375, 15755, 17125, 18975, 20625, 22605, 31625, 34661, 37675, 43125, 47265, 51375, 78775, 85625, 94875, 103983, 113025, 158125, 173305, 188375, 236325, 256875, 393875, 474375, 519915, 565125, 866525, 941875, 1181625, 1969375, 2599575, 2825625, 4332625, 5908125, 12997875, 21663125, 64989375]

約数ペア:

[(1, 64989375), (3, 21663125), (5, 12997875), (11, 5908125), (15, 4332625), (23, 2825625), (25, 2599575), (33, 1969375), (55, 1181625), (69, 941875), (75, 866525), (115, 565125), (125, 519915), (137, 474375), (165, 393875), (253, 256875), (275, 236325), (345, 188375), (375, 173305), (411, 158125), (575, 113025), (625, 103983), (685, 94875), (759, 85625), (825, 78775), (1265, 51375), (1375, 47265), (1507, 43125), (1725, 37675), (1875, 34661), (2055, 31625), (2875, 22605), (3151, 20625), (3425, 18975), (3795, 17125), (4125, 15755), (4521, 14375), (6325, 10275), (6875, 9453), (7535, 8625)]