65398140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 199075968

約数和(自身を除く): 133677828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 863, 1263, 1684, 1726, 2105, 2526, 2589, 3452, 3789, 4210, 4315, 5052, 5178, 6315, 7578, 7767, 8420, 8630, 10356, 12630, 12945, 15156, 15534, 17260, 18945, 25260, 25890, 31068, 37890, 38835, 51780, 75780, 77670, 155340, 363323, 726646, 1089969, 1453292, 1816615, 2179938, 3269907, 3633230, 4359876, 5449845, 6539814, 7266460, 10899690, 13079628, 16349535, 21799380, 32699070, 65398140]

約数ペア:

[(1, 65398140), (2, 32699070), (3, 21799380), (4, 16349535), (5, 13079628), (6, 10899690), (9, 7266460), (10, 6539814), (12, 5449845), (15, 4359876), (18, 3633230), (20, 3269907), (30, 2179938), (36, 1816615), (45, 1453292), (60, 1089969), (90, 726646), (180, 363323), (421, 155340), (842, 77670), (863, 75780), (1263, 51780), (1684, 38835), (1726, 37890), (2105, 31068), (2526, 25890), (2589, 25260), (3452, 18945), (3789, 17260), (4210, 15534), (4315, 15156), (5052, 12945), (5178, 12630), (6315, 10356), (7578, 8630), (7767, 8420)]