409136220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5399}}^1$

素因数の和:5835

約数の個数: 72

約数和(自身を含む): 1244224800

約数和(自身を除く): 835088580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 3789, 4210, 5052, 5399, 6315, 7578, 8420, 10798, 12630, 15156, 16197, 18945, 21596, 25260, 26995, 32394, 37890, 48591, 53990, 64788, 75780, 80985, 97182, 107980, 161970, 194364, 242955, 323940, 485910, 971820, 2272979, 4545958, 6818937, 9091916, 11364895, 13637874, 20456811, 22729790, 27275748, 34094685, 40913622, 45459580, 68189370, 81827244, 102284055, 136378740, 204568110, 409136220]

約数ペア:

[(1, 409136220), (2, 204568110), (3, 136378740), (4, 102284055), (5, 81827244), (6, 68189370), (9, 45459580), (10, 40913622), (12, 34094685), (15, 27275748), (18, 22729790), (20, 20456811), (30, 13637874), (36, 11364895), (45, 9091916), (60, 6818937), (90, 4545958), (180, 2272979), (421, 971820), (842, 485910), (1263, 323940), (1684, 242955), (2105, 194364), (2526, 161970), (3789, 107980), (4210, 97182), (5052, 80985), (5399, 75780), (6315, 64788), (7578, 53990), (8420, 48591), (10798, 37890), (12630, 32394), (15156, 26995), (16197, 25260), (18945, 21596)]