19638720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2273}}^1$

素因数の和:2299

約数の個数: 112

約数和(自身を含む): 69311520

約数和(自身を除く): 49672800

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, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2273, 2880, 4320, 4546, 6819, 8640, 9092, 11365, 13638, 18184, 20457, 22730, 27276, 34095, 36368, 40914, 45460, 54552, 61371, 68190, 72736, 81828, 90920, 102285, 109104, 122742, 136380, 145472, 163656, 181840, 204570, 218208, 245484, 272760, 306855, 327312, 363680, 409140, 436416, 490968, 545520, 613710, 654624, 727360, 818280, 981936, 1091040, 1227420, 1309248, 1636560, 1963872, 2182080, 2454840, 3273120, 3927744, 4909680, 6546240, 9819360, 19638720]

約数ペア:

[(1, 19638720), (2, 9819360), (3, 6546240), (4, 4909680), (5, 3927744), (6, 3273120), (8, 2454840), (9, 2182080), (10, 1963872), (12, 1636560), (15, 1309248), (16, 1227420), (18, 1091040), (20, 981936), (24, 818280), (27, 727360), (30, 654624), (32, 613710), (36, 545520), (40, 490968), (45, 436416), (48, 409140), (54, 363680), (60, 327312), (64, 306855), (72, 272760), (80, 245484), (90, 218208), (96, 204570), (108, 181840), (120, 163656), (135, 145472), (144, 136380), (160, 122742), (180, 109104), (192, 102285), (216, 90920), (240, 81828), (270, 72736), (288, 68190), (320, 61371), (360, 54552), (432, 45460), (480, 40914), (540, 36368), (576, 34095), (720, 27276), (864, 22730), (960, 20457), (1080, 18184), (1440, 13638), (1728, 11365), (2160, 9092), (2273, 8640), (2880, 6819), (4320, 4546)]