398675280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16447}}^1$

素因数の和:16564

約数の個数: 80

約数和(自身を含む): 1248205824

約数和(自身を除く): 849530544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 12120, 16447, 24240, 32894, 49341, 65788, 82235, 98682, 131576, 164470, 197364, 246705, 263152, 328940, 394728, 493410, 657880, 789456, 986820, 1315760, 1661147, 1973640, 3322294, 3947280, 4983441, 6644588, 8305735, 9966882, 13289176, 16611470, 19933764, 24917205, 26578352, 33222940, 39867528, 49834410, 66445880, 79735056, 99668820, 132891760, 199337640, 398675280]

約数ペア:

[(1, 398675280), (2, 199337640), (3, 132891760), (4, 99668820), (5, 79735056), (6, 66445880), (8, 49834410), (10, 39867528), (12, 33222940), (15, 26578352), (16, 24917205), (20, 19933764), (24, 16611470), (30, 13289176), (40, 9966882), (48, 8305735), (60, 6644588), (80, 4983441), (101, 3947280), (120, 3322294), (202, 1973640), (240, 1661147), (303, 1315760), (404, 986820), (505, 789456), (606, 657880), (808, 493410), (1010, 394728), (1212, 328940), (1515, 263152), (1616, 246705), (2020, 197364), (2424, 164470), (3030, 131576), (4040, 98682), (4848, 82235), (6060, 65788), (8080, 49341), (12120, 32894), (16447, 24240)]