985140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 3225768

約数和(自身を除く): 2240628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 421, 468, 585, 780, 842, 1170, 1263, 1684, 2105, 2340, 2526, 3789, 4210, 5052, 5473, 6315, 7578, 8420, 10946, 12630, 15156, 16419, 18945, 21892, 25260, 27365, 32838, 37890, 49257, 54730, 65676, 75780, 82095, 98514, 109460, 164190, 197028, 246285, 328380, 492570, 985140]

約数ペア:

[(1, 985140), (2, 492570), (3, 328380), (4, 246285), (5, 197028), (6, 164190), (9, 109460), (10, 98514), (12, 82095), (13, 75780), (15, 65676), (18, 54730), (20, 49257), (26, 37890), (30, 32838), (36, 27365), (39, 25260), (45, 21892), (52, 18945), (60, 16419), (65, 15156), (78, 12630), (90, 10946), (117, 8420), (130, 7578), (156, 6315), (180, 5473), (195, 5052), (234, 4210), (260, 3789), (390, 2526), (421, 2340), (468, 2105), (585, 1684), (780, 1263), (842, 1170)]