2121120

素因数分解:

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

素因数の和:515

約数の個数: 96

約数和(自身を含む): 7439040

約数和(自身を除く): 5317920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 491, 540, 720, 864, 982, 1080, 1440, 1473, 1964, 2160, 2455, 2946, 3928, 4320, 4419, 4910, 5892, 7365, 7856, 8838, 9820, 11784, 13257, 14730, 15712, 17676, 19640, 22095, 23568, 26514, 29460, 35352, 39280, 44190, 47136, 53028, 58920, 66285, 70704, 78560, 88380, 106056, 117840, 132570, 141408, 176760, 212112, 235680, 265140, 353520, 424224, 530280, 707040, 1060560, 2121120]

約数ペア:

[(1, 2121120), (2, 1060560), (3, 707040), (4, 530280), (5, 424224), (6, 353520), (8, 265140), (9, 235680), (10, 212112), (12, 176760), (15, 141408), (16, 132570), (18, 117840), (20, 106056), (24, 88380), (27, 78560), (30, 70704), (32, 66285), (36, 58920), (40, 53028), (45, 47136), (48, 44190), (54, 39280), (60, 35352), (72, 29460), (80, 26514), (90, 23568), (96, 22095), (108, 19640), (120, 17676), (135, 15712), (144, 14730), (160, 13257), (180, 11784), (216, 9820), (240, 8838), (270, 7856), (288, 7365), (360, 5892), (432, 4910), (480, 4419), (491, 4320), (540, 3928), (720, 2946), (864, 2455), (982, 2160), (1080, 1964), (1440, 1473)]