78554880

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{2273}}^1$

素因数の和:2303

約数の個数: 144

約数和(自身を含む): 278883360

約数和(自身を除く): 200328480

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, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2273, 2304, 2880, 3456, 3840, 4320, 4546, 5760, 6819, 6912, 8640, 9092, 11365, 11520, 13638, 17280, 18184, 20457, 22730, 27276, 34095, 34560, 36368, 40914, 45460, 54552, 61371, 68190, 72736, 81828, 90920, 102285, 109104, 122742, 136380, 145472, 163656, 181840, 204570, 218208, 245484, 272760, 290944, 306855, 327312, 363680, 409140, 436416, 490968, 545520, 581888, 613710, 654624, 727360, 818280, 872832, 981936, 1091040, 1227420, 1309248, 1454720, 1636560, 1745664, 1963872, 2182080, 2454840, 2618496, 2909440, 3273120, 3927744, 4364160, 4909680, 5236992, 6546240, 7855488, 8728320, 9819360, 13092480, 15710976, 19638720, 26184960, 39277440, 78554880]

約数ペア:

[(1, 78554880), (2, 39277440), (3, 26184960), (4, 19638720), (5, 15710976), (6, 13092480), (8, 9819360), (9, 8728320), (10, 7855488), (12, 6546240), (15, 5236992), (16, 4909680), (18, 4364160), (20, 3927744), (24, 3273120), (27, 2909440), (30, 2618496), (32, 2454840), (36, 2182080), (40, 1963872), (45, 1745664), (48, 1636560), (54, 1454720), (60, 1309248), (64, 1227420), (72, 1091040), (80, 981936), (90, 872832), (96, 818280), (108, 727360), (120, 654624), (128, 613710), (135, 581888), (144, 545520), (160, 490968), (180, 436416), (192, 409140), (216, 363680), (240, 327312), (256, 306855), (270, 290944), (288, 272760), (320, 245484), (360, 218208), (384, 204570), (432, 181840), (480, 163656), (540, 145472), (576, 136380), (640, 122742), (720, 109104), (768, 102285), (864, 90920), (960, 81828), (1080, 72736), (1152, 68190), (1280, 61371), (1440, 54552), (1728, 45460), (1920, 40914), (2160, 36368), (2273, 34560), (2304, 34095), (2880, 27276), (3456, 22730), (3840, 20457), (4320, 18184), (4546, 17280), (5760, 13638), (6819, 11520), (6912, 11365), (8640, 9092)]