20173125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 20313915

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 53, 75, 87, 105, 125, 145, 159, 175, 203, 265, 371, 375, 435, 525, 609, 625, 725, 795, 875, 1015, 1113, 1325, 1537, 1855, 1875, 2175, 2625, 3045, 3625, 3975, 4375, 4611, 5075, 5565, 6625, 7685, 9275, 10759, 10875, 13125, 15225, 18125, 19875, 23055, 25375, 27825, 32277, 33125, 38425, 46375, 53795, 54375, 76125, 99375, 115275, 126875, 139125, 161385, 192125, 231875, 268975, 380625, 576375, 695625, 806925, 960625, 1344875, 2881875, 4034625, 6724375, 20173125]

約数ペア:

[(1, 20173125), (3, 6724375), (5, 4034625), (7, 2881875), (15, 1344875), (21, 960625), (25, 806925), (29, 695625), (35, 576375), (53, 380625), (75, 268975), (87, 231875), (105, 192125), (125, 161385), (145, 139125), (159, 126875), (175, 115275), (203, 99375), (265, 76125), (371, 54375), (375, 53795), (435, 46375), (525, 38425), (609, 33125), (625, 32277), (725, 27825), (795, 25375), (875, 23055), (1015, 19875), (1113, 18125), (1325, 15225), (1537, 13125), (1855, 10875), (1875, 10759), (2175, 9275), (2625, 7685), (3045, 6625), (3625, 5565), (3975, 5075), (4375, 4611)]