256358844

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 831821760

約数和(自身を除く): 575462916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 61, 63, 68, 81, 84, 102, 108, 109, 119, 122, 126, 153, 162, 183, 189, 204, 218, 238, 244, 252, 306, 324, 327, 357, 366, 378, 427, 436, 459, 476, 549, 567, 612, 654, 714, 732, 756, 763, 854, 918, 981, 1037, 1071, 1098, 1134, 1281, 1308, 1377, 1428, 1526, 1647, 1708, 1836, 1853, 1962, 2074, 2142, 2196, 2268, 2289, 2562, 2754, 2943, 3052, 3111, 3213, 3294, 3706, 3843, 3924, 4148, 4284, 4578, 4941, 5124, 5508, 5559, 5886, 6222, 6426, 6588, 6649, 6867, 7259, 7412, 7686, 8829, 9156, 9333, 9639, 9882, 11118, 11529, 11772, 12444, 12852, 12971, 13298, 13734, 14518, 15372, 16677, 17658, 18666, 19278, 19764, 19947, 20601, 21777, 22236, 23058, 25942, 26596, 27468, 27999, 29036, 33354, 34587, 35316, 37332, 38556, 38913, 39894, 41202, 43554, 46116, 46543, 50031, 51884, 55998, 59841, 61803, 65331, 66708, 69174, 77826, 79788, 82404, 83997, 87108, 93086, 100062, 111996, 113033, 116739, 119682, 123606, 130662, 138348, 139629, 150093, 155652, 167994, 179523, 186172, 195993, 200124, 226066, 233478, 239364, 247212, 261324, 279258, 300186, 335988, 339099, 350217, 359046, 391986, 418887, 452132, 466956, 538569, 558516, 587979, 600372, 678198, 700434, 718092, 783972, 791231, 837774, 1017297, 1050651, 1077138, 1175958, 1256661, 1356396, 1400868, 1582462, 1675548, 2034594, 2101302, 2154276, 2351916, 2373693, 2513322, 3051891, 3164924, 3769983, 4069188, 4202604, 4747386, 5026644, 6103782, 7121079, 7539966, 9155673, 9494772, 12207564, 14242158, 15079932, 18311346, 21363237, 28484316, 36622692, 42726474, 64089711, 85452948, 128179422, 256358844]

約数ペア:

[(1, 256358844), (2, 128179422), (3, 85452948), (4, 64089711), (6, 42726474), (7, 36622692), (9, 28484316), (12, 21363237), (14, 18311346), (17, 15079932), (18, 14242158), (21, 12207564), (27, 9494772), (28, 9155673), (34, 7539966), (36, 7121079), (42, 6103782), (51, 5026644), (54, 4747386), (61, 4202604), (63, 4069188), (68, 3769983), (81, 3164924), (84, 3051891), (102, 2513322), (108, 2373693), (109, 2351916), (119, 2154276), (122, 2101302), (126, 2034594), (153, 1675548), (162, 1582462), (183, 1400868), (189, 1356396), (204, 1256661), (218, 1175958), (238, 1077138), (244, 1050651), (252, 1017297), (306, 837774), (324, 791231), (327, 783972), (357, 718092), (366, 700434), (378, 678198), (427, 600372), (436, 587979), (459, 558516), (476, 538569), (549, 466956), (567, 452132), (612, 418887), (654, 391986), (714, 359046), (732, 350217), (756, 339099), (763, 335988), (854, 300186), (918, 279258), (981, 261324), (1037, 247212), (1071, 239364), (1098, 233478), (1134, 226066), (1281, 200124), (1308, 195993), (1377, 186172), (1428, 179523), (1526, 167994), (1647, 155652), (1708, 150093), (1836, 139629), (1853, 138348), (1962, 130662), (2074, 123606), (2142, 119682), (2196, 116739), (2268, 113033), (2289, 111996), (2562, 100062), (2754, 93086), (2943, 87108), (3052, 83997), (3111, 82404), (3213, 79788), (3294, 77826), (3706, 69174), (3843, 66708), (3924, 65331), (4148, 61803), (4284, 59841), (4578, 55998), (4941, 51884), (5124, 50031), (5508, 46543), (5559, 46116), (5886, 43554), (6222, 41202), (6426, 39894), (6588, 38913), (6649, 38556), (6867, 37332), (7259, 35316), (7412, 34587), (7686, 33354), (8829, 29036), (9156, 27999), (9333, 27468), (9639, 26596), (9882, 25942), (11118, 23058), (11529, 22236), (11772, 21777), (12444, 20601), (12852, 19947), (12971, 19764), (13298, 19278), (13734, 18666), (14518, 17658), (15372, 16677)]