257855724

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 819624960

約数和(自身を除く): 561769236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 47, 54, 59, 63, 81, 82, 84, 94, 108, 118, 123, 126, 141, 162, 164, 177, 188, 189, 236, 246, 252, 282, 287, 324, 329, 354, 369, 378, 413, 423, 492, 531, 564, 567, 574, 658, 708, 738, 756, 826, 846, 861, 987, 1062, 1107, 1134, 1148, 1239, 1269, 1316, 1476, 1593, 1652, 1692, 1722, 1927, 1974, 2124, 2214, 2268, 2419, 2478, 2538, 2583, 2773, 2961, 3186, 3321, 3444, 3717, 3807, 3854, 3948, 4428, 4779, 4838, 4956, 5076, 5166, 5546, 5781, 5922, 6372, 6642, 7257, 7434, 7614, 7708, 7749, 8319, 8883, 9558, 9676, 10332, 11092, 11151, 11562, 11844, 13284, 13489, 14514, 14868, 15228, 15498, 16638, 16933, 17343, 17766, 19116, 19411, 21771, 22302, 23124, 23247, 24957, 26649, 26978, 29028, 30996, 33276, 33453, 33866, 34686, 35532, 38822, 40467, 43542, 44604, 46494, 49914, 50799, 52029, 53298, 53956, 58233, 65313, 66906, 67732, 69372, 74871, 77644, 80934, 87084, 92988, 99828, 101598, 104058, 106596, 113693, 116466, 121401, 130626, 133812, 149742, 152397, 156087, 161868, 174699, 195939, 203196, 208116, 224613, 227386, 232932, 242802, 261252, 299484, 304794, 312174, 341079, 349398, 364203, 391878, 449226, 454772, 457191, 485604, 524097, 609588, 624348, 682158, 698796, 728406, 783756, 795851, 898452, 914382, 1023237, 1048194, 1092609, 1364316, 1371573, 1456812, 1572291, 1591702, 1828764, 2046474, 2096388, 2185218, 2387553, 2743146, 3069711, 3144582, 3183404, 4092948, 4370436, 4775106, 5486292, 6139422, 6289164, 7162659, 9209133, 9550212, 12278844, 14325318, 18418266, 21487977, 28650636, 36836532, 42975954, 64463931, 85951908, 128927862, 257855724]

約数ペア:

[(1, 257855724), (2, 128927862), (3, 85951908), (4, 64463931), (6, 42975954), (7, 36836532), (9, 28650636), (12, 21487977), (14, 18418266), (18, 14325318), (21, 12278844), (27, 9550212), (28, 9209133), (36, 7162659), (41, 6289164), (42, 6139422), (47, 5486292), (54, 4775106), (59, 4370436), (63, 4092948), (81, 3183404), (82, 3144582), (84, 3069711), (94, 2743146), (108, 2387553), (118, 2185218), (123, 2096388), (126, 2046474), (141, 1828764), (162, 1591702), (164, 1572291), (177, 1456812), (188, 1371573), (189, 1364316), (236, 1092609), (246, 1048194), (252, 1023237), (282, 914382), (287, 898452), (324, 795851), (329, 783756), (354, 728406), (369, 698796), (378, 682158), (413, 624348), (423, 609588), (492, 524097), (531, 485604), (564, 457191), (567, 454772), (574, 449226), (658, 391878), (708, 364203), (738, 349398), (756, 341079), (826, 312174), (846, 304794), (861, 299484), (987, 261252), (1062, 242802), (1107, 232932), (1134, 227386), (1148, 224613), (1239, 208116), (1269, 203196), (1316, 195939), (1476, 174699), (1593, 161868), (1652, 156087), (1692, 152397), (1722, 149742), (1927, 133812), (1974, 130626), (2124, 121401), (2214, 116466), (2268, 113693), (2419, 106596), (2478, 104058), (2538, 101598), (2583, 99828), (2773, 92988), (2961, 87084), (3186, 80934), (3321, 77644), (3444, 74871), (3717, 69372), (3807, 67732), (3854, 66906), (3948, 65313), (4428, 58233), (4779, 53956), (4838, 53298), (4956, 52029), (5076, 50799), (5166, 49914), (5546, 46494), (5781, 44604), (5922, 43542), (6372, 40467), (6642, 38822), (7257, 35532), (7434, 34686), (7614, 33866), (7708, 33453), (7749, 33276), (8319, 30996), (8883, 29028), (9558, 26978), (9676, 26649), (10332, 24957), (11092, 23247), (11151, 23124), (11562, 22302), (11844, 21771), (13284, 19411), (13489, 19116), (14514, 17766), (14868, 17343), (15228, 16933), (15498, 16638)]