215979120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42853}}^1$

素因数の和:42879

約数の個数: 120

約数和(自身を含む): 828967776

約数和(自身を除く): 612988656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42853, 85706, 128559, 171412, 214265, 257118, 299971, 342824, 385677, 428530, 514236, 599942, 642795, 685648, 771354, 857060, 899913, 1028472, 1199884, 1285590, 1499855, 1542708, 1714120, 1799826, 1928385, 2056944, 2399768, 2571180, 2699739, 2999710, 3085416, 3428240, 3599652, 3856770, 4499565, 4799536, 5142360, 5399478, 5999420, 6170832, 7199304, 7713540, 8999130, 10284720, 10798956, 11998840, 13498695, 14398608, 15427080, 17998260, 21597912, 23997680, 26997390, 30854160, 35996520, 43195824, 53994780, 71993040, 107989560, 215979120]

約数ペア:

[(1, 215979120), (2, 107989560), (3, 71993040), (4, 53994780), (5, 43195824), (6, 35996520), (7, 30854160), (8, 26997390), (9, 23997680), (10, 21597912), (12, 17998260), (14, 15427080), (15, 14398608), (16, 13498695), (18, 11998840), (20, 10798956), (21, 10284720), (24, 8999130), (28, 7713540), (30, 7199304), (35, 6170832), (36, 5999420), (40, 5399478), (42, 5142360), (45, 4799536), (48, 4499565), (56, 3856770), (60, 3599652), (63, 3428240), (70, 3085416), (72, 2999710), (80, 2699739), (84, 2571180), (90, 2399768), (105, 2056944), (112, 1928385), (120, 1799826), (126, 1714120), (140, 1542708), (144, 1499855), (168, 1285590), (180, 1199884), (210, 1028472), (240, 899913), (252, 857060), (280, 771354), (315, 685648), (336, 642795), (360, 599942), (420, 514236), (504, 428530), (560, 385677), (630, 342824), (720, 299971), (840, 257118), (1008, 214265), (1260, 171412), (1680, 128559), (2520, 85706), (5040, 42853)]