219960720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2342

約数の個数: 240

約数和(自身を含む): 889050240

約数和(自身を除く): 669089520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2297, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4594, 4788, 5040, 5320, 5985, 6384, 6840, 6891, 7980, 9188, 9576, 10640, 11485, 11970, 13680, 13782, 15960, 16079, 18376, 19152, 20673, 22970, 23940, 27564, 31920, 32158, 34455, 36752, 41346, 43643, 45940, 47880, 48237, 55128, 64316, 68910, 80395, 82692, 87286, 91880, 95760, 96474, 103365, 110256, 128632, 130929, 137820, 144711, 160790, 165384, 174572, 183760, 192948, 206730, 218215, 241185, 257264, 261858, 275640, 289422, 305501, 321580, 330768, 349144, 385896, 392787, 413460, 436430, 482370, 523716, 551280, 578844, 611002, 643160, 654645, 698288, 723555, 771792, 785574, 826920, 872860, 916503, 964740, 1047432, 1157688, 1222004, 1286320, 1309290, 1447110, 1527505, 1571148, 1653840, 1745720, 1833006, 1929480, 1963935, 2094864, 2315376, 2444008, 2618580, 2749509, 2894220, 3055010, 3142296, 3491440, 3666012, 3858960, 3927870, 4582515, 4888016, 5237160, 5499018, 5788440, 6110020, 6284592, 7332024, 7855740, 9165030, 10474320, 10998036, 11576880, 12220040, 13747545, 14664048, 15711480, 18330060, 21996072, 24440080, 27495090, 31422960, 36660120, 43992144, 54990180, 73320240, 109980360, 219960720]

約数ペア:

[(1, 219960720), (2, 109980360), (3, 73320240), (4, 54990180), (5, 43992144), (6, 36660120), (7, 31422960), (8, 27495090), (9, 24440080), (10, 21996072), (12, 18330060), (14, 15711480), (15, 14664048), (16, 13747545), (18, 12220040), (19, 11576880), (20, 10998036), (21, 10474320), (24, 9165030), (28, 7855740), (30, 7332024), (35, 6284592), (36, 6110020), (38, 5788440), (40, 5499018), (42, 5237160), (45, 4888016), (48, 4582515), (56, 3927870), (57, 3858960), (60, 3666012), (63, 3491440), (70, 3142296), (72, 3055010), (76, 2894220), (80, 2749509), (84, 2618580), (90, 2444008), (95, 2315376), (105, 2094864), (112, 1963935), (114, 1929480), (120, 1833006), (126, 1745720), (133, 1653840), (140, 1571148), (144, 1527505), (152, 1447110), (168, 1309290), (171, 1286320), (180, 1222004), (190, 1157688), (210, 1047432), (228, 964740), (240, 916503), (252, 872860), (266, 826920), (280, 785574), (285, 771792), (304, 723555), (315, 698288), (336, 654645), (342, 643160), (360, 611002), (380, 578844), (399, 551280), (420, 523716), (456, 482370), (504, 436430), (532, 413460), (560, 392787), (570, 385896), (630, 349144), (665, 330768), (684, 321580), (720, 305501), (760, 289422), (798, 275640), (840, 261858), (855, 257264), (912, 241185), (1008, 218215), (1064, 206730), (1140, 192948), (1197, 183760), (1260, 174572), (1330, 165384), (1368, 160790), (1520, 144711), (1596, 137820), (1680, 130929), (1710, 128632), (1995, 110256), (2128, 103365), (2280, 96474), (2297, 95760), (2394, 91880), (2520, 87286), (2660, 82692), (2736, 80395), (3192, 68910), (3420, 64316), (3990, 55128), (4560, 48237), (4594, 47880), (4788, 45940), (5040, 43643), (5320, 41346), (5985, 36752), (6384, 34455), (6840, 32158), (6891, 31920), (7980, 27564), (9188, 23940), (9576, 22970), (10640, 20673), (11485, 19152), (11970, 18376), (13680, 16079), (13782, 15960)]