278907480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20939}}^1$

素因数の和:20993

約数の個数: 96

約数和(自身を含む): 930992400

約数和(自身を除く): 652084920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 13320, 20939, 41878, 62817, 83756, 104695, 125634, 167512, 188451, 209390, 251268, 314085, 376902, 418780, 502536, 628170, 753804, 774743, 837560, 942255, 1256340, 1507608, 1549486, 1884510, 2324229, 2512680, 3098972, 3769020, 3873715, 4648458, 6197944, 6972687, 7538040, 7747430, 9296916, 11621145, 13945374, 15494860, 18593832, 23242290, 27890748, 30989720, 34863435, 46484580, 55781496, 69726870, 92969160, 139453740, 278907480]

約数ペア:

[(1, 278907480), (2, 139453740), (3, 92969160), (4, 69726870), (5, 55781496), (6, 46484580), (8, 34863435), (9, 30989720), (10, 27890748), (12, 23242290), (15, 18593832), (18, 15494860), (20, 13945374), (24, 11621145), (30, 9296916), (36, 7747430), (37, 7538040), (40, 6972687), (45, 6197944), (60, 4648458), (72, 3873715), (74, 3769020), (90, 3098972), (111, 2512680), (120, 2324229), (148, 1884510), (180, 1549486), (185, 1507608), (222, 1256340), (296, 942255), (333, 837560), (360, 774743), (370, 753804), (444, 628170), (555, 502536), (666, 418780), (740, 376902), (888, 314085), (1110, 251268), (1332, 209390), (1480, 188451), (1665, 167512), (2220, 125634), (2664, 104695), (3330, 83756), (4440, 62817), (6660, 41878), (13320, 20939)]