255778380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 288

約数和(自身を含む): 961309440

約数和(自身を除く): 705531060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 19, 20, 22, 26, 30, 33, 36, 38, 39, 44, 45, 52, 55, 57, 60, 65, 66, 76, 78, 90, 95, 99, 110, 114, 117, 130, 132, 143, 156, 165, 171, 180, 190, 195, 198, 209, 220, 228, 234, 247, 260, 285, 286, 330, 342, 380, 390, 396, 418, 429, 468, 494, 495, 523, 570, 572, 585, 627, 660, 684, 715, 741, 780, 836, 855, 858, 988, 990, 1045, 1046, 1140, 1170, 1235, 1254, 1287, 1430, 1482, 1569, 1710, 1716, 1881, 1980, 2090, 2092, 2145, 2223, 2340, 2470, 2508, 2574, 2615, 2717, 2860, 2964, 3135, 3138, 3420, 3705, 3762, 4180, 4290, 4446, 4707, 4940, 5148, 5230, 5434, 5753, 6270, 6276, 6435, 6799, 7410, 7524, 7845, 8151, 8580, 8892, 9405, 9414, 9937, 10460, 10868, 11115, 11506, 12540, 12870, 13585, 13598, 14820, 15690, 16302, 17259, 18810, 18828, 19874, 20397, 22230, 23012, 23535, 24453, 25740, 27170, 27196, 28765, 29811, 31380, 32604, 33995, 34518, 37620, 39748, 40755, 40794, 44460, 47070, 48906, 49685, 51777, 54340, 57530, 59622, 61191, 67990, 69036, 74789, 81510, 81588, 86295, 89433, 94140, 97812, 99370, 101985, 103554, 109307, 115060, 119244, 122265, 122382, 129181, 135980, 149055, 149578, 163020, 172590, 178866, 198740, 203970, 207108, 218614, 224367, 244530, 244764, 258362, 258885, 298110, 299156, 305955, 327921, 345180, 357732, 373945, 387543, 407940, 437228, 447165, 448734, 489060, 516724, 517770, 546535, 596220, 611910, 645905, 655842, 673101, 747890, 775086, 894330, 897468, 983763, 1035540, 1093070, 1121835, 1162629, 1223820, 1291810, 1311684, 1346202, 1420991, 1495780, 1550172, 1639605, 1788660, 1937715, 1967526, 2186140, 2243670, 2325258, 2583620, 2692404, 2841982, 3279210, 3365505, 3875430, 3935052, 4262973, 4487340, 4650516, 4918815, 5683964, 5813145, 6558420, 6731010, 7104955, 7750860, 8525946, 9837630, 11626290, 12788919, 13462020, 14209910, 17051892, 19675260, 21314865, 23252580, 25577838, 28419820, 42629730, 51155676, 63944595, 85259460, 127889190, 255778380]

約数ペア:

[(1, 255778380), (2, 127889190), (3, 85259460), (4, 63944595), (5, 51155676), (6, 42629730), (9, 28419820), (10, 25577838), (11, 23252580), (12, 21314865), (13, 19675260), (15, 17051892), (18, 14209910), (19, 13462020), (20, 12788919), (22, 11626290), (26, 9837630), (30, 8525946), (33, 7750860), (36, 7104955), (38, 6731010), (39, 6558420), (44, 5813145), (45, 5683964), (52, 4918815), (55, 4650516), (57, 4487340), (60, 4262973), (65, 3935052), (66, 3875430), (76, 3365505), (78, 3279210), (90, 2841982), (95, 2692404), (99, 2583620), (110, 2325258), (114, 2243670), (117, 2186140), (130, 1967526), (132, 1937715), (143, 1788660), (156, 1639605), (165, 1550172), (171, 1495780), (180, 1420991), (190, 1346202), (195, 1311684), (198, 1291810), (209, 1223820), (220, 1162629), (228, 1121835), (234, 1093070), (247, 1035540), (260, 983763), (285, 897468), (286, 894330), (330, 775086), (342, 747890), (380, 673101), (390, 655842), (396, 645905), (418, 611910), (429, 596220), (468, 546535), (494, 517770), (495, 516724), (523, 489060), (570, 448734), (572, 447165), (585, 437228), (627, 407940), (660, 387543), (684, 373945), (715, 357732), (741, 345180), (780, 327921), (836, 305955), (855, 299156), (858, 298110), (988, 258885), (990, 258362), (1045, 244764), (1046, 244530), (1140, 224367), (1170, 218614), (1235, 207108), (1254, 203970), (1287, 198740), (1430, 178866), (1482, 172590), (1569, 163020), (1710, 149578), (1716, 149055), (1881, 135980), (1980, 129181), (2090, 122382), (2092, 122265), (2145, 119244), (2223, 115060), (2340, 109307), (2470, 103554), (2508, 101985), (2574, 99370), (2615, 97812), (2717, 94140), (2860, 89433), (2964, 86295), (3135, 81588), (3138, 81510), (3420, 74789), (3705, 69036), (3762, 67990), (4180, 61191), (4290, 59622), (4446, 57530), (4707, 54340), (4940, 51777), (5148, 49685), (5230, 48906), (5434, 47070), (5753, 44460), (6270, 40794), (6276, 40755), (6435, 39748), (6799, 37620), (7410, 34518), (7524, 33995), (7845, 32604), (8151, 31380), (8580, 29811), (8892, 28765), (9405, 27196), (9414, 27170), (9937, 25740), (10460, 24453), (10868, 23535), (11115, 23012), (11506, 22230), (12540, 20397), (12870, 19874), (13585, 18828), (13598, 18810), (14820, 17259), (15690, 16302)]