81657576

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 302090880

約数和(自身を除く): 220433304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 103, 104, 117, 121, 126, 132, 143, 154, 156, 168, 182, 198, 206, 231, 234, 242, 252, 264, 273, 286, 308, 309, 312, 363, 364, 396, 412, 429, 462, 468, 484, 504, 546, 572, 616, 618, 693, 721, 726, 728, 792, 819, 824, 847, 858, 924, 927, 936, 968, 1001, 1089, 1092, 1133, 1144, 1236, 1287, 1339, 1386, 1442, 1452, 1573, 1638, 1694, 1716, 1848, 1854, 2002, 2163, 2178, 2184, 2266, 2472, 2541, 2574, 2678, 2772, 2884, 2904, 3003, 3146, 3276, 3388, 3399, 3432, 3708, 4004, 4017, 4326, 4356, 4532, 4719, 5082, 5148, 5356, 5544, 5768, 6006, 6292, 6489, 6552, 6776, 6798, 7416, 7623, 7931, 8008, 8034, 8652, 8712, 9009, 9064, 9373, 9438, 10164, 10197, 10296, 10712, 11011, 12012, 12051, 12463, 12584, 12978, 13596, 14157, 14729, 15246, 15862, 16068, 17304, 18018, 18746, 18876, 20328, 20394, 22022, 23793, 24024, 24102, 24926, 25956, 27192, 28119, 28314, 29458, 30492, 31724, 32136, 33033, 36036, 37389, 37492, 37752, 40788, 44044, 44187, 47586, 48204, 49852, 51912, 56238, 56628, 58916, 60984, 63448, 66066, 71379, 72072, 74778, 74984, 81576, 84357, 87241, 88088, 88374, 95172, 96408, 99099, 99704, 103103, 112167, 112476, 113256, 117832, 132132, 132561, 142758, 149556, 162019, 168714, 174482, 176748, 190344, 198198, 206206, 224334, 224952, 261723, 264264, 265122, 285516, 299112, 309309, 324038, 337428, 348964, 353496, 396396, 412412, 448668, 486057, 523446, 530244, 571032, 618618, 648076, 674856, 697928, 785169, 792792, 824824, 897336, 927927, 972114, 1046892, 1060488, 1134133, 1237236, 1296152, 1458171, 1570338, 1855854, 1944228, 2093784, 2268266, 2474472, 2916342, 3140676, 3402399, 3711708, 3888456, 4536532, 5832684, 6281352, 6804798, 7423416, 9073064, 10207197, 11665368, 13609596, 20414394, 27219192, 40828788, 81657576]

約数ペア:

[(1, 81657576), (2, 40828788), (3, 27219192), (4, 20414394), (6, 13609596), (7, 11665368), (8, 10207197), (9, 9073064), (11, 7423416), (12, 6804798), (13, 6281352), (14, 5832684), (18, 4536532), (21, 3888456), (22, 3711708), (24, 3402399), (26, 3140676), (28, 2916342), (33, 2474472), (36, 2268266), (39, 2093784), (42, 1944228), (44, 1855854), (52, 1570338), (56, 1458171), (63, 1296152), (66, 1237236), (72, 1134133), (77, 1060488), (78, 1046892), (84, 972114), (88, 927927), (91, 897336), (99, 824824), (103, 792792), (104, 785169), (117, 697928), (121, 674856), (126, 648076), (132, 618618), (143, 571032), (154, 530244), (156, 523446), (168, 486057), (182, 448668), (198, 412412), (206, 396396), (231, 353496), (234, 348964), (242, 337428), (252, 324038), (264, 309309), (273, 299112), (286, 285516), (308, 265122), (309, 264264), (312, 261723), (363, 224952), (364, 224334), (396, 206206), (412, 198198), (429, 190344), (462, 176748), (468, 174482), (484, 168714), (504, 162019), (546, 149556), (572, 142758), (616, 132561), (618, 132132), (693, 117832), (721, 113256), (726, 112476), (728, 112167), (792, 103103), (819, 99704), (824, 99099), (847, 96408), (858, 95172), (924, 88374), (927, 88088), (936, 87241), (968, 84357), (1001, 81576), (1089, 74984), (1092, 74778), (1133, 72072), (1144, 71379), (1236, 66066), (1287, 63448), (1339, 60984), (1386, 58916), (1442, 56628), (1452, 56238), (1573, 51912), (1638, 49852), (1694, 48204), (1716, 47586), (1848, 44187), (1854, 44044), (2002, 40788), (2163, 37752), (2178, 37492), (2184, 37389), (2266, 36036), (2472, 33033), (2541, 32136), (2574, 31724), (2678, 30492), (2772, 29458), (2884, 28314), (2904, 28119), (3003, 27192), (3146, 25956), (3276, 24926), (3388, 24102), (3399, 24024), (3432, 23793), (3708, 22022), (4004, 20394), (4017, 20328), (4326, 18876), (4356, 18746), (4532, 18018), (4719, 17304), (5082, 16068), (5148, 15862), (5356, 15246), (5544, 14729), (5768, 14157), (6006, 13596), (6292, 12978), (6489, 12584), (6552, 12463), (6776, 12051), (6798, 12012), (7416, 11011), (7623, 10712), (7931, 10296), (8008, 10197), (8034, 10164), (8652, 9438), (8712, 9373), (9009, 9064)]