209495280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3319}}^1$

素因数の和:3598

約数の個数: 80

約数和(自身を含む): 652101120

約数和(自身を除く): 442605840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3319, 3945, 4208, 5260, 6312, 6638, 7890, 9957, 10520, 12624, 13276, 15780, 16595, 19914, 21040, 26552, 31560, 33190, 39828, 49785, 53104, 63120, 66380, 79656, 99570, 132760, 159312, 199140, 265520, 398280, 796560, 872897, 1745794, 2618691, 3491588, 4364485, 5237382, 6983176, 8728970, 10474764, 13093455, 13966352, 17457940, 20949528, 26186910, 34915880, 41899056, 52373820, 69831760, 104747640, 209495280]

約数ペア:

[(1, 209495280), (2, 104747640), (3, 69831760), (4, 52373820), (5, 41899056), (6, 34915880), (8, 26186910), (10, 20949528), (12, 17457940), (15, 13966352), (16, 13093455), (20, 10474764), (24, 8728970), (30, 6983176), (40, 5237382), (48, 4364485), (60, 3491588), (80, 2618691), (120, 1745794), (240, 872897), (263, 796560), (526, 398280), (789, 265520), (1052, 199140), (1315, 159312), (1578, 132760), (2104, 99570), (2630, 79656), (3156, 66380), (3319, 63120), (3945, 53104), (4208, 49785), (5260, 39828), (6312, 33190), (6638, 31560), (7890, 26552), (9957, 21040), (10520, 19914), (12624, 16595), (13276, 15780)]