261028404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 288

約数和(自身を含む): 887927040

約数和(自身を除く): 626898636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 43, 51, 52, 63, 68, 78, 84, 86, 91, 102, 109, 117, 119, 126, 129, 153, 156, 172, 182, 204, 218, 221, 234, 238, 252, 258, 273, 301, 306, 327, 357, 364, 387, 436, 442, 468, 476, 516, 546, 559, 602, 612, 654, 663, 714, 731, 763, 774, 819, 884, 903, 981, 1071, 1092, 1118, 1204, 1308, 1326, 1417, 1428, 1462, 1526, 1547, 1548, 1638, 1677, 1806, 1853, 1962, 1989, 2142, 2193, 2236, 2289, 2652, 2709, 2834, 2924, 3052, 3094, 3276, 3354, 3612, 3706, 3913, 3924, 3978, 4251, 4284, 4386, 4578, 4641, 4687, 5031, 5117, 5418, 5559, 5668, 6188, 6579, 6708, 6867, 7412, 7826, 7956, 8502, 8772, 9156, 9282, 9374, 9503, 9919, 10062, 10234, 10836, 11118, 11739, 12753, 12971, 13158, 13734, 13923, 14061, 15351, 15652, 16677, 17004, 18564, 18748, 19006, 19838, 20124, 20468, 22236, 23478, 24089, 25506, 25942, 26316, 27468, 27846, 28122, 28509, 29757, 30702, 32809, 33354, 35217, 38012, 38913, 39676, 42183, 46053, 46956, 48178, 51012, 51884, 55692, 56244, 57018, 59514, 60931, 61404, 65618, 66521, 66708, 70434, 72267, 77826, 79679, 84366, 85527, 89271, 92106, 96356, 98427, 114036, 116739, 119028, 121862, 131236, 133042, 140868, 144534, 155652, 159358, 168623, 168732, 171054, 178542, 182793, 184212, 196854, 199563, 216801, 233478, 239037, 243724, 266084, 289068, 295281, 318716, 337246, 342108, 357084, 365586, 393708, 399126, 426517, 433602, 466956, 478074, 505869, 548379, 557753, 590562, 598689, 674492, 717111, 731172, 798252, 853034, 867204, 956148, 1011738, 1035827, 1096758, 1115506, 1181124, 1197378, 1279551, 1434222, 1517607, 1673259, 1706068, 2023476, 2071654, 2193516, 2231012, 2394756, 2559102, 2868444, 3035214, 3107481, 3346518, 3838653, 4143308, 5019777, 5118204, 6070428, 6214962, 6693036, 7250789, 7677306, 9322443, 10039554, 12429924, 14501578, 15354612, 18644886, 20079108, 21752367, 29003156, 37289772, 43504734, 65257101, 87009468, 130514202, 261028404]

約数ペア:

[(1, 261028404), (2, 130514202), (3, 87009468), (4, 65257101), (6, 43504734), (7, 37289772), (9, 29003156), (12, 21752367), (13, 20079108), (14, 18644886), (17, 15354612), (18, 14501578), (21, 12429924), (26, 10039554), (28, 9322443), (34, 7677306), (36, 7250789), (39, 6693036), (42, 6214962), (43, 6070428), (51, 5118204), (52, 5019777), (63, 4143308), (68, 3838653), (78, 3346518), (84, 3107481), (86, 3035214), (91, 2868444), (102, 2559102), (109, 2394756), (117, 2231012), (119, 2193516), (126, 2071654), (129, 2023476), (153, 1706068), (156, 1673259), (172, 1517607), (182, 1434222), (204, 1279551), (218, 1197378), (221, 1181124), (234, 1115506), (238, 1096758), (252, 1035827), (258, 1011738), (273, 956148), (301, 867204), (306, 853034), (327, 798252), (357, 731172), (364, 717111), (387, 674492), (436, 598689), (442, 590562), (468, 557753), (476, 548379), (516, 505869), (546, 478074), (559, 466956), (602, 433602), (612, 426517), (654, 399126), (663, 393708), (714, 365586), (731, 357084), (763, 342108), (774, 337246), (819, 318716), (884, 295281), (903, 289068), (981, 266084), (1071, 243724), (1092, 239037), (1118, 233478), (1204, 216801), (1308, 199563), (1326, 196854), (1417, 184212), (1428, 182793), (1462, 178542), (1526, 171054), (1547, 168732), (1548, 168623), (1638, 159358), (1677, 155652), (1806, 144534), (1853, 140868), (1962, 133042), (1989, 131236), (2142, 121862), (2193, 119028), (2236, 116739), (2289, 114036), (2652, 98427), (2709, 96356), (2834, 92106), (2924, 89271), (3052, 85527), (3094, 84366), (3276, 79679), (3354, 77826), (3612, 72267), (3706, 70434), (3913, 66708), (3924, 66521), (3978, 65618), (4251, 61404), (4284, 60931), (4386, 59514), (4578, 57018), (4641, 56244), (4687, 55692), (5031, 51884), (5117, 51012), (5418, 48178), (5559, 46956), (5668, 46053), (6188, 42183), (6579, 39676), (6708, 38913), (6867, 38012), (7412, 35217), (7826, 33354), (7956, 32809), (8502, 30702), (8772, 29757), (9156, 28509), (9282, 28122), (9374, 27846), (9503, 27468), (9919, 26316), (10062, 25942), (10234, 25506), (10836, 24089), (11118, 23478), (11739, 22236), (12753, 20468), (12971, 20124), (13158, 19838), (13734, 19006), (13923, 18748), (14061, 18564), (15351, 17004), (15652, 16677)]