6686640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 23154768

約数和(自身を除く): 16468128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 251, 296, 333, 360, 370, 444, 502, 555, 592, 666, 720, 740, 753, 888, 1004, 1110, 1255, 1332, 1480, 1506, 1665, 1776, 2008, 2220, 2259, 2510, 2664, 2960, 3012, 3330, 3765, 4016, 4440, 4518, 5020, 5328, 6024, 6660, 7530, 8880, 9036, 9287, 10040, 11295, 12048, 13320, 15060, 18072, 18574, 20080, 22590, 26640, 27861, 30120, 36144, 37148, 45180, 46435, 55722, 60240, 74296, 83583, 90360, 92870, 111444, 139305, 148592, 167166, 180720, 185740, 222888, 278610, 334332, 371480, 417915, 445776, 557220, 668664, 742960, 835830, 1114440, 1337328, 1671660, 2228880, 3343320, 6686640]

約数ペア:

[(1, 6686640), (2, 3343320), (3, 2228880), (4, 1671660), (5, 1337328), (6, 1114440), (8, 835830), (9, 742960), (10, 668664), (12, 557220), (15, 445776), (16, 417915), (18, 371480), (20, 334332), (24, 278610), (30, 222888), (36, 185740), (37, 180720), (40, 167166), (45, 148592), (48, 139305), (60, 111444), (72, 92870), (74, 90360), (80, 83583), (90, 74296), (111, 60240), (120, 55722), (144, 46435), (148, 45180), (180, 37148), (185, 36144), (222, 30120), (240, 27861), (251, 26640), (296, 22590), (333, 20080), (360, 18574), (370, 18072), (444, 15060), (502, 13320), (555, 12048), (592, 11295), (666, 10040), (720, 9287), (740, 9036), (753, 8880), (888, 7530), (1004, 6660), (1110, 6024), (1255, 5328), (1332, 5020), (1480, 4518), (1506, 4440), (1665, 4016), (1776, 3765), (2008, 3330), (2220, 3012), (2259, 2960), (2510, 2664)]