66720375

素因数分解:

$3^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 126023040

約数和(自身を除く): 59302665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 125, 135, 159, 225, 265, 373, 375, 477, 675, 795, 1119, 1125, 1325, 1431, 1865, 2385, 3357, 3375, 3975, 5595, 6625, 7155, 9325, 10071, 11925, 16785, 19769, 19875, 27975, 35775, 46625, 50355, 59307, 59625, 83925, 98845, 139875, 177921, 178875, 251775, 296535, 419625, 494225, 533763, 889605, 1258875, 1482675, 2471125, 2668815, 4448025, 7413375, 13344075, 22240125, 66720375]

約数ペア:

[(1, 66720375), (3, 22240125), (5, 13344075), (9, 7413375), (15, 4448025), (25, 2668815), (27, 2471125), (45, 1482675), (53, 1258875), (75, 889605), (125, 533763), (135, 494225), (159, 419625), (225, 296535), (265, 251775), (373, 178875), (375, 177921), (477, 139875), (675, 98845), (795, 83925), (1119, 59625), (1125, 59307), (1325, 50355), (1431, 46625), (1865, 35775), (2385, 27975), (3357, 19875), (3375, 19769), (3975, 16785), (5595, 11925), (6625, 10071), (7155, 9325)]