79876875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 149577120

約数和(自身を除く): 69700245

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 113, 125, 145, 195, 325, 339, 375, 377, 435, 565, 625, 725, 975, 1131, 1469, 1625, 1695, 1875, 1885, 2175, 2825, 3277, 3625, 4407, 4875, 5655, 7345, 8125, 8475, 9425, 9831, 10875, 14125, 16385, 18125, 22035, 24375, 28275, 36725, 42375, 42601, 47125, 49155, 54375, 70625, 81925, 110175, 127803, 141375, 183625, 211875, 213005, 235625, 245775, 409625, 550875, 639015, 706875, 918125, 1065025, 1228875, 2048125, 2754375, 3195075, 5325125, 6144375, 15975375, 26625625, 79876875]

約数ペア:

[(1, 79876875), (3, 26625625), (5, 15975375), (13, 6144375), (15, 5325125), (25, 3195075), (29, 2754375), (39, 2048125), (65, 1228875), (75, 1065025), (87, 918125), (113, 706875), (125, 639015), (145, 550875), (195, 409625), (325, 245775), (339, 235625), (375, 213005), (377, 211875), (435, 183625), (565, 141375), (625, 127803), (725, 110175), (975, 81925), (1131, 70625), (1469, 54375), (1625, 49155), (1695, 47125), (1875, 42601), (1885, 42375), (2175, 36725), (2825, 28275), (3277, 24375), (3625, 22035), (4407, 18125), (4875, 16385), (5655, 14125), (7345, 10875), (8125, 9831), (8475, 9425)]