231985440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 288

約数和(自身を含む): 853070400

約数和(自身を除く): 621084960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 61, 72, 76, 80, 90, 95, 96, 114, 120, 122, 139, 144, 152, 160, 171, 180, 183, 190, 228, 240, 244, 278, 285, 288, 304, 305, 342, 360, 366, 380, 417, 456, 480, 488, 549, 556, 570, 608, 610, 684, 695, 720, 732, 760, 834, 855, 912, 915, 976, 1098, 1112, 1140, 1159, 1220, 1251, 1368, 1390, 1440, 1464, 1520, 1668, 1710, 1824, 1830, 1952, 2085, 2196, 2224, 2280, 2318, 2440, 2502, 2641, 2736, 2745, 2780, 2928, 3040, 3336, 3420, 3477, 3660, 4170, 4392, 4448, 4560, 4636, 4880, 5004, 5282, 5472, 5490, 5560, 5795, 5856, 6255, 6672, 6840, 6954, 7320, 7923, 8340, 8479, 8784, 9120, 9272, 9760, 10008, 10431, 10564, 10980, 11120, 11590, 12510, 13205, 13344, 13680, 13908, 14640, 15846, 16680, 16958, 17385, 17568, 18544, 20016, 20862, 21128, 21960, 22240, 23180, 23769, 25020, 25437, 26410, 27360, 27816, 29280, 31692, 33360, 33916, 34770, 37088, 39615, 40032, 41724, 42256, 42395, 43920, 46360, 47538, 50040, 50874, 52155, 52820, 55632, 63384, 66720, 67832, 69540, 76311, 79230, 83448, 84512, 84790, 87840, 92720, 95076, 100080, 101748, 104310, 105640, 111264, 118845, 126768, 127185, 135664, 139080, 152622, 158460, 161101, 166896, 169580, 185440, 190152, 200160, 203496, 208620, 211280, 237690, 253536, 254370, 271328, 278160, 305244, 316920, 322202, 333792, 339160, 380304, 381555, 406992, 417240, 422560, 475380, 483303, 508740, 556320, 610488, 633840, 644404, 678320, 760608, 763110, 805505, 813984, 834480, 950760, 966606, 1017480, 1220976, 1267680, 1288808, 1356640, 1449909, 1526220, 1611010, 1668960, 1901520, 1933212, 2034960, 2416515, 2441952, 2577616, 2899818, 3052440, 3222020, 3803040, 3866424, 4069920, 4833030, 5155232, 5799636, 6104880, 6444040, 7249545, 7732848, 9666060, 11599272, 12209760, 12888080, 14499090, 15465696, 19332120, 23198544, 25776160, 28998180, 38664240, 46397088, 57996360, 77328480, 115992720, 231985440]

約数ペア:

[(1, 231985440), (2, 115992720), (3, 77328480), (4, 57996360), (5, 46397088), (6, 38664240), (8, 28998180), (9, 25776160), (10, 23198544), (12, 19332120), (15, 15465696), (16, 14499090), (18, 12888080), (19, 12209760), (20, 11599272), (24, 9666060), (30, 7732848), (32, 7249545), (36, 6444040), (38, 6104880), (40, 5799636), (45, 5155232), (48, 4833030), (57, 4069920), (60, 3866424), (61, 3803040), (72, 3222020), (76, 3052440), (80, 2899818), (90, 2577616), (95, 2441952), (96, 2416515), (114, 2034960), (120, 1933212), (122, 1901520), (139, 1668960), (144, 1611010), (152, 1526220), (160, 1449909), (171, 1356640), (180, 1288808), (183, 1267680), (190, 1220976), (228, 1017480), (240, 966606), (244, 950760), (278, 834480), (285, 813984), (288, 805505), (304, 763110), (305, 760608), (342, 678320), (360, 644404), (366, 633840), (380, 610488), (417, 556320), (456, 508740), (480, 483303), (488, 475380), (549, 422560), (556, 417240), (570, 406992), (608, 381555), (610, 380304), (684, 339160), (695, 333792), (720, 322202), (732, 316920), (760, 305244), (834, 278160), (855, 271328), (912, 254370), (915, 253536), (976, 237690), (1098, 211280), (1112, 208620), (1140, 203496), (1159, 200160), (1220, 190152), (1251, 185440), (1368, 169580), (1390, 166896), (1440, 161101), (1464, 158460), (1520, 152622), (1668, 139080), (1710, 135664), (1824, 127185), (1830, 126768), (1952, 118845), (2085, 111264), (2196, 105640), (2224, 104310), (2280, 101748), (2318, 100080), (2440, 95076), (2502, 92720), (2641, 87840), (2736, 84790), (2745, 84512), (2780, 83448), (2928, 79230), (3040, 76311), (3336, 69540), (3420, 67832), (3477, 66720), (3660, 63384), (4170, 55632), (4392, 52820), (4448, 52155), (4560, 50874), (4636, 50040), (4880, 47538), (5004, 46360), (5282, 43920), (5472, 42395), (5490, 42256), (5560, 41724), (5795, 40032), (5856, 39615), (6255, 37088), (6672, 34770), (6840, 33916), (6954, 33360), (7320, 31692), (7923, 29280), (8340, 27816), (8479, 27360), (8784, 26410), (9120, 25437), (9272, 25020), (9760, 23769), (10008, 23180), (10431, 22240), (10564, 21960), (10980, 21128), (11120, 20862), (11590, 20016), (12510, 18544), (13205, 17568), (13344, 17385), (13680, 16958), (13908, 16680), (14640, 15846)]