28709760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:828

約数の個数: 128

約数和(自身を含む): 96451200

約数和(自身を除く): 67741440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 787, 912, 960, 1140, 1216, 1520, 1574, 1824, 1920, 2280, 2361, 2432, 3040, 3148, 3648, 3935, 4560, 4722, 6080, 6296, 7296, 7870, 9120, 9444, 11805, 12160, 12592, 14953, 15740, 18240, 18888, 23610, 25184, 29906, 31480, 36480, 37776, 44859, 47220, 50368, 59812, 62960, 74765, 75552, 89718, 94440, 100736, 119624, 125920, 149530, 151104, 179436, 188880, 224295, 239248, 251840, 299060, 302208, 358872, 377760, 448590, 478496, 503680, 598120, 717744, 755520, 897180, 956992, 1196240, 1435488, 1511040, 1794360, 1913984, 2392480, 2870976, 3588720, 4784960, 5741952, 7177440, 9569920, 14354880, 28709760]

約数ペア:

[(1, 28709760), (2, 14354880), (3, 9569920), (4, 7177440), (5, 5741952), (6, 4784960), (8, 3588720), (10, 2870976), (12, 2392480), (15, 1913984), (16, 1794360), (19, 1511040), (20, 1435488), (24, 1196240), (30, 956992), (32, 897180), (38, 755520), (40, 717744), (48, 598120), (57, 503680), (60, 478496), (64, 448590), (76, 377760), (80, 358872), (95, 302208), (96, 299060), (114, 251840), (120, 239248), (128, 224295), (152, 188880), (160, 179436), (190, 151104), (192, 149530), (228, 125920), (240, 119624), (285, 100736), (304, 94440), (320, 89718), (380, 75552), (384, 74765), (456, 62960), (480, 59812), (570, 50368), (608, 47220), (640, 44859), (760, 37776), (787, 36480), (912, 31480), (960, 29906), (1140, 25184), (1216, 23610), (1520, 18888), (1574, 18240), (1824, 15740), (1920, 14953), (2280, 12592), (2361, 12160), (2432, 11805), (3040, 9444), (3148, 9120), (3648, 7870), (3935, 7296), (4560, 6296), (4722, 6080)]