880369980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2591}}^1$

素因数の和:3419

約数の個数: 96

約数和(自身を含む): 2821754880

約数和(自身を除く): 1941384900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 809, 1618, 2427, 2591, 3236, 4045, 4854, 5182, 5663, 7773, 8090, 9708, 10364, 11326, 12135, 12955, 15546, 16180, 16989, 18137, 22652, 24270, 25910, 28315, 31092, 33978, 36274, 38865, 48540, 51820, 54411, 56630, 67956, 72548, 77730, 84945, 90685, 108822, 113260, 155460, 169890, 181370, 217644, 272055, 339780, 362740, 544110, 1088220, 2096119, 4192238, 6288357, 8384476, 10480595, 12576714, 14672833, 20961190, 25153428, 29345666, 31441785, 41922380, 44018499, 58691332, 62883570, 73364165, 88036998, 125767140, 146728330, 176073996, 220092495, 293456660, 440184990, 880369980]

約数ペア:

[(1, 880369980), (2, 440184990), (3, 293456660), (4, 220092495), (5, 176073996), (6, 146728330), (7, 125767140), (10, 88036998), (12, 73364165), (14, 62883570), (15, 58691332), (20, 44018499), (21, 41922380), (28, 31441785), (30, 29345666), (35, 25153428), (42, 20961190), (60, 14672833), (70, 12576714), (84, 10480595), (105, 8384476), (140, 6288357), (210, 4192238), (420, 2096119), (809, 1088220), (1618, 544110), (2427, 362740), (2591, 339780), (3236, 272055), (4045, 217644), (4854, 181370), (5182, 169890), (5663, 155460), (7773, 113260), (8090, 108822), (9708, 90685), (10364, 84945), (11326, 77730), (12135, 72548), (12955, 67956), (15546, 56630), (16180, 54411), (16989, 51820), (18137, 48540), (22652, 38865), (24270, 36274), (25910, 33978), (28315, 31092)]