131451012

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 180

約数和(自身を含む): 432579840

約数和(自身を除く): 301128828

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 121, 126, 132, 154, 162, 189, 198, 231, 242, 252, 297, 308, 324, 363, 378, 396, 462, 479, 484, 567, 594, 693, 726, 756, 847, 891, 924, 958, 1089, 1134, 1188, 1386, 1437, 1452, 1694, 1782, 1916, 2079, 2178, 2268, 2541, 2772, 2874, 3267, 3353, 3388, 3564, 4158, 4311, 4356, 5082, 5269, 5748, 6237, 6534, 6706, 7623, 8316, 8622, 9801, 10059, 10164, 10538, 12474, 12933, 13068, 13412, 15246, 15807, 17244, 19602, 20118, 21076, 22869, 24948, 25866, 30177, 30492, 31614, 36883, 38799, 39204, 40236, 45738, 47421, 51732, 57959, 60354, 63228, 68607, 73766, 77598, 90531, 91476, 94842, 110649, 115918, 120708, 137214, 142263, 147532, 155196, 173877, 181062, 189684, 221298, 231836, 271593, 274428, 284526, 331947, 347754, 362124, 405713, 426789, 442596, 521631, 543186, 569052, 663894, 695508, 811426, 853578, 995841, 1043262, 1086372, 1217139, 1327788, 1564893, 1622852, 1707156, 1991682, 2086524, 2434278, 2987523, 3129786, 3651417, 3983364, 4694679, 4868556, 5975046, 6259572, 7302834, 9389358, 10954251, 11950092, 14605668, 18778716, 21908502, 32862753, 43817004, 65725506, 131451012]

約数ペア:

[(1, 131451012), (2, 65725506), (3, 43817004), (4, 32862753), (6, 21908502), (7, 18778716), (9, 14605668), (11, 11950092), (12, 10954251), (14, 9389358), (18, 7302834), (21, 6259572), (22, 5975046), (27, 4868556), (28, 4694679), (33, 3983364), (36, 3651417), (42, 3129786), (44, 2987523), (54, 2434278), (63, 2086524), (66, 1991682), (77, 1707156), (81, 1622852), (84, 1564893), (99, 1327788), (108, 1217139), (121, 1086372), (126, 1043262), (132, 995841), (154, 853578), (162, 811426), (189, 695508), (198, 663894), (231, 569052), (242, 543186), (252, 521631), (297, 442596), (308, 426789), (324, 405713), (363, 362124), (378, 347754), (396, 331947), (462, 284526), (479, 274428), (484, 271593), (567, 231836), (594, 221298), (693, 189684), (726, 181062), (756, 173877), (847, 155196), (891, 147532), (924, 142263), (958, 137214), (1089, 120708), (1134, 115918), (1188, 110649), (1386, 94842), (1437, 91476), (1452, 90531), (1694, 77598), (1782, 73766), (1916, 68607), (2079, 63228), (2178, 60354), (2268, 57959), (2541, 51732), (2772, 47421), (2874, 45738), (3267, 40236), (3353, 39204), (3388, 38799), (3564, 36883), (4158, 31614), (4311, 30492), (4356, 30177), (5082, 25866), (5269, 24948), (5748, 22869), (6237, 21076), (6534, 20118), (6706, 19602), (7623, 17244), (8316, 15807), (8622, 15246), (9801, 13412), (10059, 13068), (10164, 12933), (10538, 12474)]