2228880

素因数分解:

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

素因数の和:304

約数の個数: 80

約数和(自身を含む): 7124544

約数和(自身を除く): 4895664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 251, 296, 370, 444, 502, 555, 592, 740, 753, 888, 1004, 1110, 1255, 1480, 1506, 1776, 2008, 2220, 2510, 2960, 3012, 3765, 4016, 4440, 5020, 6024, 7530, 8880, 9287, 10040, 12048, 15060, 18574, 20080, 27861, 30120, 37148, 46435, 55722, 60240, 74296, 92870, 111444, 139305, 148592, 185740, 222888, 278610, 371480, 445776, 557220, 742960, 1114440, 2228880]

約数ペア:

[(1, 2228880), (2, 1114440), (3, 742960), (4, 557220), (5, 445776), (6, 371480), (8, 278610), (10, 222888), (12, 185740), (15, 148592), (16, 139305), (20, 111444), (24, 92870), (30, 74296), (37, 60240), (40, 55722), (48, 46435), (60, 37148), (74, 30120), (80, 27861), (111, 20080), (120, 18574), (148, 15060), (185, 12048), (222, 10040), (240, 9287), (251, 8880), (296, 7530), (370, 6024), (444, 5020), (502, 4440), (555, 4016), (592, 3765), (740, 3012), (753, 2960), (888, 2510), (1004, 2220), (1110, 2008), (1255, 1776), (1480, 1506)]