217309680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43117}}^1$

素因数の和:43143

約数の個数: 120

約数和(自身を含む): 834074592

約数和(自身を除く): 616764912

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, 43117, 86234, 129351, 172468, 215585, 258702, 301819, 344936, 388053, 431170, 517404, 603638, 646755, 689872, 776106, 862340, 905457, 1034808, 1207276, 1293510, 1509095, 1552212, 1724680, 1810914, 1940265, 2069616, 2414552, 2587020, 2716371, 3018190, 3104424, 3449360, 3621828, 3880530, 4527285, 4829104, 5174040, 5432742, 6036380, 6208848, 7243656, 7761060, 9054570, 10348080, 10865484, 12072760, 13581855, 14487312, 15522120, 18109140, 21730968, 24145520, 27163710, 31044240, 36218280, 43461936, 54327420, 72436560, 108654840, 217309680]

約数ペア:

[(1, 217309680), (2, 108654840), (3, 72436560), (4, 54327420), (5, 43461936), (6, 36218280), (7, 31044240), (8, 27163710), (9, 24145520), (10, 21730968), (12, 18109140), (14, 15522120), (15, 14487312), (16, 13581855), (18, 12072760), (20, 10865484), (21, 10348080), (24, 9054570), (28, 7761060), (30, 7243656), (35, 6208848), (36, 6036380), (40, 5432742), (42, 5174040), (45, 4829104), (48, 4527285), (56, 3880530), (60, 3621828), (63, 3449360), (70, 3104424), (72, 3018190), (80, 2716371), (84, 2587020), (90, 2414552), (105, 2069616), (112, 1940265), (120, 1810914), (126, 1724680), (140, 1552212), (144, 1509095), (168, 1293510), (180, 1207276), (210, 1034808), (240, 905457), (252, 862340), (280, 776106), (315, 689872), (336, 646755), (360, 603638), (420, 517404), (504, 431170), (560, 388053), (630, 344936), (720, 301819), (840, 258702), (1008, 215585), (1260, 172468), (1680, 129351), (2520, 86234), (5040, 43117)]