1221660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 4049136

約数和(自身を除く): 2827476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 617, 660, 990, 1234, 1851, 1980, 2468, 3085, 3702, 5553, 6170, 6787, 7404, 9255, 11106, 12340, 13574, 18510, 20361, 22212, 27148, 27765, 33935, 37020, 40722, 55530, 61083, 67870, 81444, 101805, 111060, 122166, 135740, 203610, 244332, 305415, 407220, 610830, 1221660]

約数ペア:

[(1, 1221660), (2, 610830), (3, 407220), (4, 305415), (5, 244332), (6, 203610), (9, 135740), (10, 122166), (11, 111060), (12, 101805), (15, 81444), (18, 67870), (20, 61083), (22, 55530), (30, 40722), (33, 37020), (36, 33935), (44, 27765), (45, 27148), (55, 22212), (60, 20361), (66, 18510), (90, 13574), (99, 12340), (110, 11106), (132, 9255), (165, 7404), (180, 6787), (198, 6170), (220, 5553), (330, 3702), (396, 3085), (495, 2468), (617, 1980), (660, 1851), (990, 1234)]