74961375

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 132312960

約数和(自身を除く): 57351585

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 113, 125, 145, 183, 305, 339, 375, 435, 565, 725, 915, 1525, 1695, 1769, 2175, 2825, 3277, 3625, 4575, 5307, 6893, 7625, 8475, 8845, 9831, 10875, 14125, 16385, 20679, 22875, 26535, 34465, 42375, 44225, 49155, 81925, 103395, 132675, 172325, 199897, 221125, 245775, 409625, 516975, 599691, 663375, 861625, 999485, 1228875, 2584875, 2998455, 4997425, 14992275, 24987125, 74961375]

約数ペア:

[(1, 74961375), (3, 24987125), (5, 14992275), (15, 4997425), (25, 2998455), (29, 2584875), (61, 1228875), (75, 999485), (87, 861625), (113, 663375), (125, 599691), (145, 516975), (183, 409625), (305, 245775), (339, 221125), (375, 199897), (435, 172325), (565, 132675), (725, 103395), (915, 81925), (1525, 49155), (1695, 44225), (1769, 42375), (2175, 34465), (2825, 26535), (3277, 22875), (3625, 20679), (4575, 16385), (5307, 14125), (6893, 10875), (7625, 9831), (8475, 8845)]