78984960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 256857216

約数和(自身を除く): 177872256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 307, 320, 335, 384, 402, 480, 536, 614, 640, 670, 768, 804, 921, 960, 1005, 1072, 1228, 1280, 1340, 1535, 1608, 1842, 1920, 2010, 2144, 2456, 2680, 3070, 3216, 3684, 3840, 4020, 4288, 4605, 4912, 5360, 6140, 6432, 7368, 8040, 8576, 9210, 9824, 10720, 12280, 12864, 14736, 16080, 17152, 18420, 19648, 20569, 21440, 24560, 25728, 29472, 32160, 36840, 39296, 41138, 42880, 49120, 51456, 58944, 61707, 64320, 73680, 78592, 82276, 85760, 98240, 102845, 117888, 123414, 128640, 147360, 164552, 196480, 205690, 235776, 246828, 257280, 294720, 308535, 329104, 392960, 411380, 493656, 589440, 617070, 658208, 822760, 987312, 1178880, 1234140, 1316416, 1645520, 1974624, 2468280, 2632832, 3291040, 3949248, 4936560, 5265664, 6582080, 7898496, 9873120, 13164160, 15796992, 19746240, 26328320, 39492480, 78984960]

約数ペア:

[(1, 78984960), (2, 39492480), (3, 26328320), (4, 19746240), (5, 15796992), (6, 13164160), (8, 9873120), (10, 7898496), (12, 6582080), (15, 5265664), (16, 4936560), (20, 3949248), (24, 3291040), (30, 2632832), (32, 2468280), (40, 1974624), (48, 1645520), (60, 1316416), (64, 1234140), (67, 1178880), (80, 987312), (96, 822760), (120, 658208), (128, 617070), (134, 589440), (160, 493656), (192, 411380), (201, 392960), (240, 329104), (256, 308535), (268, 294720), (307, 257280), (320, 246828), (335, 235776), (384, 205690), (402, 196480), (480, 164552), (536, 147360), (614, 128640), (640, 123414), (670, 117888), (768, 102845), (804, 98240), (921, 85760), (960, 82276), (1005, 78592), (1072, 73680), (1228, 64320), (1280, 61707), (1340, 58944), (1535, 51456), (1608, 49120), (1842, 42880), (1920, 41138), (2010, 39296), (2144, 36840), (2456, 32160), (2680, 29472), (3070, 25728), (3216, 24560), (3684, 21440), (3840, 20569), (4020, 19648), (4288, 18420), (4605, 17152), (4912, 16080), (5360, 14736), (6140, 12864), (6432, 12280), (7368, 10720), (8040, 9824), (8576, 9210)]