81395496

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 256

約数和(自身を含む): 287884800

約数和(自身を除く): 206489304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 41, 42, 52, 54, 56, 63, 72, 78, 82, 84, 91, 101, 104, 108, 117, 123, 126, 156, 164, 168, 182, 189, 202, 216, 234, 246, 252, 273, 287, 303, 312, 328, 351, 364, 369, 378, 404, 468, 492, 504, 533, 546, 574, 606, 702, 707, 728, 738, 756, 808, 819, 861, 909, 936, 984, 1066, 1092, 1107, 1148, 1212, 1313, 1404, 1414, 1476, 1512, 1599, 1638, 1722, 1818, 2121, 2132, 2184, 2214, 2296, 2424, 2457, 2583, 2626, 2727, 2808, 2828, 2952, 3198, 3276, 3444, 3636, 3731, 3939, 4141, 4242, 4264, 4428, 4797, 4914, 5166, 5252, 5454, 5656, 6363, 6396, 6552, 6888, 7272, 7462, 7749, 7878, 8282, 8484, 8856, 9191, 9594, 9828, 10332, 10504, 10908, 11193, 11817, 12423, 12726, 12792, 14391, 14924, 15498, 15756, 16564, 16968, 18382, 19089, 19188, 19656, 20664, 21816, 22386, 23634, 24846, 25452, 27573, 28782, 28987, 29848, 30996, 31512, 33128, 33579, 35451, 36764, 37269, 38178, 38376, 44772, 47268, 49692, 50904, 53833, 55146, 57564, 57974, 61992, 67158, 70902, 73528, 74538, 76356, 82719, 86961, 89544, 94536, 99384, 100737, 107666, 110292, 111807, 115128, 115948, 134316, 141804, 149076, 152712, 161499, 165438, 173922, 201474, 215332, 220584, 223614, 231896, 248157, 260883, 268632, 283608, 298152, 322998, 330876, 347844, 376831, 402948, 430664, 447228, 484497, 496314, 521766, 645996, 661752, 695688, 753662, 782649, 805896, 894456, 968994, 992628, 1043532, 1130493, 1291992, 1453491, 1507324, 1565298, 1937988, 1985256, 2087064, 2260986, 2906982, 3014648, 3130596, 3391479, 3875976, 4521972, 5813964, 6261192, 6782958, 9043944, 10174437, 11627928, 13565916, 20348874, 27131832, 40697748, 81395496]

約数ペア:

[(1, 81395496), (2, 40697748), (3, 27131832), (4, 20348874), (6, 13565916), (7, 11627928), (8, 10174437), (9, 9043944), (12, 6782958), (13, 6261192), (14, 5813964), (18, 4521972), (21, 3875976), (24, 3391479), (26, 3130596), (27, 3014648), (28, 2906982), (36, 2260986), (39, 2087064), (41, 1985256), (42, 1937988), (52, 1565298), (54, 1507324), (56, 1453491), (63, 1291992), (72, 1130493), (78, 1043532), (82, 992628), (84, 968994), (91, 894456), (101, 805896), (104, 782649), (108, 753662), (117, 695688), (123, 661752), (126, 645996), (156, 521766), (164, 496314), (168, 484497), (182, 447228), (189, 430664), (202, 402948), (216, 376831), (234, 347844), (246, 330876), (252, 322998), (273, 298152), (287, 283608), (303, 268632), (312, 260883), (328, 248157), (351, 231896), (364, 223614), (369, 220584), (378, 215332), (404, 201474), (468, 173922), (492, 165438), (504, 161499), (533, 152712), (546, 149076), (574, 141804), (606, 134316), (702, 115948), (707, 115128), (728, 111807), (738, 110292), (756, 107666), (808, 100737), (819, 99384), (861, 94536), (909, 89544), (936, 86961), (984, 82719), (1066, 76356), (1092, 74538), (1107, 73528), (1148, 70902), (1212, 67158), (1313, 61992), (1404, 57974), (1414, 57564), (1476, 55146), (1512, 53833), (1599, 50904), (1638, 49692), (1722, 47268), (1818, 44772), (2121, 38376), (2132, 38178), (2184, 37269), (2214, 36764), (2296, 35451), (2424, 33579), (2457, 33128), (2583, 31512), (2626, 30996), (2727, 29848), (2808, 28987), (2828, 28782), (2952, 27573), (3198, 25452), (3276, 24846), (3444, 23634), (3636, 22386), (3731, 21816), (3939, 20664), (4141, 19656), (4242, 19188), (4264, 19089), (4428, 18382), (4797, 16968), (4914, 16564), (5166, 15756), (5252, 15498), (5454, 14924), (5656, 14391), (6363, 12792), (6396, 12726), (6552, 12423), (6888, 11817), (7272, 11193), (7462, 10908), (7749, 10504), (7878, 10332), (8282, 9828), (8484, 9594), (8856, 9191)]