2019921375

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1801

約数の個数: 64

約数和(自身を含む): 3488808960

約数和(自身を除く): 1468887585

約数列:

[1, 3, 5, 15, 25, 41, 75, 79, 123, 125, 205, 237, 375, 395, 615, 1025, 1185, 1663, 1975, 3075, 3239, 4989, 5125, 5925, 8315, 9717, 9875, 15375, 16195, 24945, 29625, 41575, 48585, 68183, 80975, 124725, 131377, 204549, 207875, 242925, 340915, 394131, 404875, 623625, 656885, 1022745, 1214625, 1704575, 1970655, 3284425, 5113725, 5386457, 8522875, 9853275, 16159371, 16422125, 25568625, 26932285, 49266375, 80796855, 134661425, 403984275, 673307125, 2019921375]

約数ペア:

[(1, 2019921375), (3, 673307125), (5, 403984275), (15, 134661425), (25, 80796855), (41, 49266375), (75, 26932285), (79, 25568625), (123, 16422125), (125, 16159371), (205, 9853275), (237, 8522875), (375, 5386457), (395, 5113725), (615, 3284425), (1025, 1970655), (1185, 1704575), (1663, 1214625), (1975, 1022745), (3075, 656885), (3239, 623625), (4989, 404875), (5125, 394131), (5925, 340915), (8315, 242925), (9717, 207875), (9875, 204549), (15375, 131377), (16195, 124725), (24945, 80975), (29625, 68183), (41575, 48585)]