972180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 3223584

約数和(自身を除く): 2251404

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, 491, 495, 660, 982, 990, 1473, 1964, 1980, 2455, 2946, 4419, 4910, 5401, 5892, 7365, 8838, 9820, 10802, 14730, 16203, 17676, 21604, 22095, 27005, 29460, 32406, 44190, 48609, 54010, 64812, 81015, 88380, 97218, 108020, 162030, 194436, 243045, 324060, 486090, 972180]

約数ペア:

[(1, 972180), (2, 486090), (3, 324060), (4, 243045), (5, 194436), (6, 162030), (9, 108020), (10, 97218), (11, 88380), (12, 81015), (15, 64812), (18, 54010), (20, 48609), (22, 44190), (30, 32406), (33, 29460), (36, 27005), (44, 22095), (45, 21604), (55, 17676), (60, 16203), (66, 14730), (90, 10802), (99, 9820), (110, 8838), (132, 7365), (165, 5892), (180, 5401), (198, 4910), (220, 4419), (330, 2946), (396, 2455), (491, 1980), (495, 1964), (660, 1473), (982, 990)]