256605804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 859797120

約数和(自身を除く): 603191316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 37, 39, 42, 52, 58, 63, 73, 74, 78, 84, 87, 91, 111, 116, 117, 126, 146, 148, 156, 174, 182, 203, 219, 222, 234, 252, 259, 261, 273, 292, 333, 348, 364, 377, 406, 438, 444, 468, 481, 511, 518, 522, 546, 609, 657, 666, 754, 777, 812, 819, 876, 949, 962, 1022, 1036, 1044, 1073, 1092, 1131, 1218, 1314, 1332, 1443, 1508, 1533, 1554, 1638, 1827, 1898, 1924, 2044, 2117, 2146, 2262, 2331, 2436, 2628, 2639, 2701, 2847, 2886, 3066, 3108, 3219, 3276, 3367, 3393, 3654, 3796, 4234, 4292, 4329, 4524, 4599, 4662, 5278, 5402, 5694, 5772, 6132, 6351, 6438, 6643, 6734, 6786, 7308, 7511, 7917, 8103, 8468, 8541, 8658, 9198, 9324, 9657, 10101, 10556, 10804, 11388, 12702, 12876, 13286, 13468, 13572, 13949, 14819, 15022, 15834, 16206, 17082, 17316, 18396, 18907, 19053, 19314, 19929, 20202, 22533, 23751, 24309, 25404, 26572, 27521, 27898, 29638, 30044, 30303, 31668, 32412, 34164, 35113, 37814, 38106, 38628, 39858, 40404, 41847, 44457, 45066, 47502, 48618, 55042, 55796, 56721, 59276, 59787, 60606, 67599, 70226, 75628, 76212, 78329, 79716, 82563, 83694, 88914, 90132, 95004, 97236, 97643, 105339, 110084, 113442, 119574, 121212, 125541, 133371, 135198, 140452, 156658, 165126, 167388, 170163, 177828, 192647, 195286, 210678, 226884, 234987, 239148, 245791, 247689, 251082, 266742, 270396, 292929, 313316, 316017, 330252, 340326, 385294, 390572, 421356, 469974, 491582, 495378, 502164, 533484, 548303, 577941, 585858, 632034, 680652, 704961, 737373, 770588, 878787, 939948, 983164, 990756, 1018277, 1096606, 1155882, 1171716, 1264068, 1409922, 1474746, 1644909, 1733823, 1757574, 2036554, 2193212, 2212119, 2311764, 2819844, 2949492, 3054831, 3289818, 3467646, 3515148, 4073108, 4424238, 4934727, 6109662, 6579636, 6935292, 7127939, 8848476, 9164493, 9869454, 12219324, 14255878, 18328986, 19738908, 21383817, 28511756, 36657972, 42767634, 64151451, 85535268, 128302902, 256605804]

約数ペア:

[(1, 256605804), (2, 128302902), (3, 85535268), (4, 64151451), (6, 42767634), (7, 36657972), (9, 28511756), (12, 21383817), (13, 19738908), (14, 18328986), (18, 14255878), (21, 12219324), (26, 9869454), (28, 9164493), (29, 8848476), (36, 7127939), (37, 6935292), (39, 6579636), (42, 6109662), (52, 4934727), (58, 4424238), (63, 4073108), (73, 3515148), (74, 3467646), (78, 3289818), (84, 3054831), (87, 2949492), (91, 2819844), (111, 2311764), (116, 2212119), (117, 2193212), (126, 2036554), (146, 1757574), (148, 1733823), (156, 1644909), (174, 1474746), (182, 1409922), (203, 1264068), (219, 1171716), (222, 1155882), (234, 1096606), (252, 1018277), (259, 990756), (261, 983164), (273, 939948), (292, 878787), (333, 770588), (348, 737373), (364, 704961), (377, 680652), (406, 632034), (438, 585858), (444, 577941), (468, 548303), (481, 533484), (511, 502164), (518, 495378), (522, 491582), (546, 469974), (609, 421356), (657, 390572), (666, 385294), (754, 340326), (777, 330252), (812, 316017), (819, 313316), (876, 292929), (949, 270396), (962, 266742), (1022, 251082), (1036, 247689), (1044, 245791), (1073, 239148), (1092, 234987), (1131, 226884), (1218, 210678), (1314, 195286), (1332, 192647), (1443, 177828), (1508, 170163), (1533, 167388), (1554, 165126), (1638, 156658), (1827, 140452), (1898, 135198), (1924, 133371), (2044, 125541), (2117, 121212), (2146, 119574), (2262, 113442), (2331, 110084), (2436, 105339), (2628, 97643), (2639, 97236), (2701, 95004), (2847, 90132), (2886, 88914), (3066, 83694), (3108, 82563), (3219, 79716), (3276, 78329), (3367, 76212), (3393, 75628), (3654, 70226), (3796, 67599), (4234, 60606), (4292, 59787), (4329, 59276), (4524, 56721), (4599, 55796), (4662, 55042), (5278, 48618), (5402, 47502), (5694, 45066), (5772, 44457), (6132, 41847), (6351, 40404), (6438, 39858), (6643, 38628), (6734, 38106), (6786, 37814), (7308, 35113), (7511, 34164), (7917, 32412), (8103, 31668), (8468, 30303), (8541, 30044), (8658, 29638), (9198, 27898), (9324, 27521), (9657, 26572), (10101, 25404), (10556, 24309), (10804, 23751), (11388, 22533), (12702, 20202), (12876, 19929), (13286, 19314), (13468, 19053), (13572, 18907), (13949, 18396), (14819, 17316), (15022, 17082), (15834, 16206)]