680655780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{540203}}^1$

素因数の和:540225

約数の個数: 72

約数和(自身を含む): 2359611072

約数和(自身を除く): 1678955292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 540203, 1080406, 1620609, 2160812, 2701015, 3241218, 3781421, 4861827, 5402030, 6482436, 7562842, 8103045, 9723654, 10804060, 11344263, 15125684, 16206090, 18907105, 19447308, 22688526, 24309135, 32412180, 34032789, 37814210, 45377052, 48618270, 56721315, 68065578, 75628420, 97236540, 113442630, 136131156, 170163945, 226885260, 340327890, 680655780]

約数ペア:

[(1, 680655780), (2, 340327890), (3, 226885260), (4, 170163945), (5, 136131156), (6, 113442630), (7, 97236540), (9, 75628420), (10, 68065578), (12, 56721315), (14, 48618270), (15, 45377052), (18, 37814210), (20, 34032789), (21, 32412180), (28, 24309135), (30, 22688526), (35, 19447308), (36, 18907105), (42, 16206090), (45, 15125684), (60, 11344263), (63, 10804060), (70, 9723654), (84, 8103045), (90, 7562842), (105, 6482436), (126, 5402030), (140, 4861827), (180, 3781421), (210, 3241218), (252, 2701015), (315, 2160812), (420, 1620609), (630, 1080406), (1260, 540203)]