81860436

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 263424000

約数和(自身を除く): 181563564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 41, 42, 54, 57, 63, 76, 82, 84, 108, 114, 123, 126, 133, 139, 164, 171, 189, 228, 246, 252, 266, 278, 287, 342, 369, 378, 399, 417, 492, 513, 532, 556, 574, 684, 738, 756, 779, 798, 834, 861, 973, 1026, 1107, 1148, 1197, 1251, 1476, 1558, 1596, 1668, 1722, 1946, 2052, 2214, 2337, 2394, 2502, 2583, 2641, 2919, 3116, 3444, 3591, 3753, 3892, 4428, 4674, 4788, 5004, 5166, 5282, 5453, 5699, 5838, 7011, 7182, 7506, 7749, 7923, 8757, 9348, 10332, 10564, 10906, 11398, 11676, 14022, 14364, 15012, 15498, 15846, 16359, 17097, 17514, 18487, 21033, 21812, 22796, 23769, 26271, 28044, 30996, 31692, 32718, 34194, 35028, 36974, 39893, 42066, 47538, 49077, 51291, 52542, 55461, 65436, 68388, 71307, 73948, 79786, 84132, 95076, 98154, 102582, 105084, 108281, 110922, 119679, 142614, 147231, 153873, 159572, 166383, 196308, 205164, 216562, 221844, 239358, 285228, 294462, 307746, 324843, 332766, 359037, 433124, 478716, 499149, 588924, 615492, 649686, 665532, 718074, 757967, 974529, 998298, 1077111, 1299372, 1436148, 1515934, 1949058, 1996596, 2154222, 2273901, 2923587, 3031868, 3898116, 4308444, 4547802, 5847174, 6821703, 9095604, 11694348, 13643406, 20465109, 27286812, 40930218, 81860436]

約数ペア:

[(1, 81860436), (2, 40930218), (3, 27286812), (4, 20465109), (6, 13643406), (7, 11694348), (9, 9095604), (12, 6821703), (14, 5847174), (18, 4547802), (19, 4308444), (21, 3898116), (27, 3031868), (28, 2923587), (36, 2273901), (38, 2154222), (41, 1996596), (42, 1949058), (54, 1515934), (57, 1436148), (63, 1299372), (76, 1077111), (82, 998298), (84, 974529), (108, 757967), (114, 718074), (123, 665532), (126, 649686), (133, 615492), (139, 588924), (164, 499149), (171, 478716), (189, 433124), (228, 359037), (246, 332766), (252, 324843), (266, 307746), (278, 294462), (287, 285228), (342, 239358), (369, 221844), (378, 216562), (399, 205164), (417, 196308), (492, 166383), (513, 159572), (532, 153873), (556, 147231), (574, 142614), (684, 119679), (738, 110922), (756, 108281), (779, 105084), (798, 102582), (834, 98154), (861, 95076), (973, 84132), (1026, 79786), (1107, 73948), (1148, 71307), (1197, 68388), (1251, 65436), (1476, 55461), (1558, 52542), (1596, 51291), (1668, 49077), (1722, 47538), (1946, 42066), (2052, 39893), (2214, 36974), (2337, 35028), (2394, 34194), (2502, 32718), (2583, 31692), (2641, 30996), (2919, 28044), (3116, 26271), (3444, 23769), (3591, 22796), (3753, 21812), (3892, 21033), (4428, 18487), (4674, 17514), (4788, 17097), (5004, 16359), (5166, 15846), (5282, 15498), (5453, 15012), (5699, 14364), (5838, 14022), (7011, 11676), (7182, 11398), (7506, 10906), (7749, 10564), (7923, 10332), (8757, 9348)]