240826875

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 428862720

約数和(自身を除く): 188035845

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 103, 125, 129, 145, 215, 309, 375, 435, 515, 625, 645, 725, 1075, 1247, 1545, 1875, 2175, 2575, 2987, 3225, 3625, 3741, 4429, 5375, 6235, 7725, 8961, 10875, 12875, 13287, 14935, 16125, 18125, 18705, 22145, 26875, 31175, 38625, 44805, 54375, 64375, 66435, 74675, 80625, 93525, 110725, 128441, 155875, 193125, 224025, 332175, 373375, 385323, 467625, 553625, 642205, 779375, 1120125, 1660875, 1866875, 1926615, 2338125, 2768125, 3211025, 5600625, 8304375, 9633075, 16055125, 48165375, 80275625, 240826875]

約数ペア:

[(1, 240826875), (3, 80275625), (5, 48165375), (15, 16055125), (25, 9633075), (29, 8304375), (43, 5600625), (75, 3211025), (87, 2768125), (103, 2338125), (125, 1926615), (129, 1866875), (145, 1660875), (215, 1120125), (309, 779375), (375, 642205), (435, 553625), (515, 467625), (625, 385323), (645, 373375), (725, 332175), (1075, 224025), (1247, 193125), (1545, 155875), (1875, 128441), (2175, 110725), (2575, 93525), (2987, 80625), (3225, 74675), (3625, 66435), (3741, 64375), (4429, 54375), (5375, 44805), (6235, 38625), (7725, 31175), (8961, 26875), (10875, 22145), (12875, 18705), (13287, 18125), (14935, 16125)]