1290705416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 256

約数和(自身を含む): 3628800000

約数和(自身を除く): 2338094584

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 19, 22, 26, 28, 34, 38, 44, 52, 56, 68, 76, 77, 88, 91, 104, 119, 133, 136, 143, 152, 154, 182, 187, 209, 221, 238, 247, 266, 286, 308, 323, 364, 374, 418, 442, 476, 494, 499, 532, 572, 616, 646, 728, 748, 836, 884, 952, 988, 998, 1001, 1064, 1144, 1292, 1309, 1463, 1496, 1547, 1672, 1729, 1768, 1976, 1996, 2002, 2261, 2431, 2584, 2618, 2717, 2926, 3094, 3458, 3493, 3553, 3992, 4004, 4199, 4522, 4862, 5236, 5434, 5489, 5852, 6188, 6487, 6916, 6986, 7106, 8008, 8398, 8483, 9044, 9481, 9724, 10472, 10868, 10978, 11704, 12376, 12974, 13832, 13972, 14212, 16796, 16966, 17017, 18088, 18962, 19019, 19448, 21736, 21956, 24871, 25948, 27944, 28424, 29393, 33592, 33932, 34034, 37924, 38038, 38423, 43912, 45409, 46189, 49742, 51896, 58786, 59381, 66367, 67864, 68068, 71357, 75848, 76076, 76846, 90818, 92378, 93313, 99484, 104291, 110279, 117572, 118762, 123253, 132734, 136136, 142714, 152152, 153692, 161177, 181636, 184756, 186626, 198968, 208582, 220558, 235144, 237524, 246506, 265468, 285428, 307384, 322354, 323323, 363272, 369512, 373252, 417164, 441116, 475048, 493012, 499499, 530936, 570856, 644708, 646646, 653191, 730037, 746504, 771953, 834328, 862771, 882232, 986024, 998998, 1128239, 1213069, 1289416, 1293292, 1306382, 1355783, 1460074, 1543906, 1725542, 1772947, 1997996, 2095301, 2256478, 2426138, 2586584, 2612764, 2711566, 2920148, 3087812, 3451084, 3545894, 3995992, 4190602, 4512956, 4852276, 5225528, 5423132, 5840296, 6175624, 6902168, 7091788, 8381204, 8491483, 9025912, 9490481, 9704552, 10846264, 12410629, 14183576, 14667107, 16762408, 16982966, 18980962, 23048311, 24821258, 29334214, 33965932, 37961924, 46096622, 49642516, 58668428, 67931864, 75923848, 92193244, 99285032, 117336856, 161338177, 184386488, 322676354, 645352708, 1290705416]

約数ペア:

[(1, 1290705416), (2, 645352708), (4, 322676354), (7, 184386488), (8, 161338177), (11, 117336856), (13, 99285032), (14, 92193244), (17, 75923848), (19, 67931864), (22, 58668428), (26, 49642516), (28, 46096622), (34, 37961924), (38, 33965932), (44, 29334214), (52, 24821258), (56, 23048311), (68, 18980962), (76, 16982966), (77, 16762408), (88, 14667107), (91, 14183576), (104, 12410629), (119, 10846264), (133, 9704552), (136, 9490481), (143, 9025912), (152, 8491483), (154, 8381204), (182, 7091788), (187, 6902168), (209, 6175624), (221, 5840296), (238, 5423132), (247, 5225528), (266, 4852276), (286, 4512956), (308, 4190602), (323, 3995992), (364, 3545894), (374, 3451084), (418, 3087812), (442, 2920148), (476, 2711566), (494, 2612764), (499, 2586584), (532, 2426138), (572, 2256478), (616, 2095301), (646, 1997996), (728, 1772947), (748, 1725542), (836, 1543906), (884, 1460074), (952, 1355783), (988, 1306382), (998, 1293292), (1001, 1289416), (1064, 1213069), (1144, 1128239), (1292, 998998), (1309, 986024), (1463, 882232), (1496, 862771), (1547, 834328), (1672, 771953), (1729, 746504), (1768, 730037), (1976, 653191), (1996, 646646), (2002, 644708), (2261, 570856), (2431, 530936), (2584, 499499), (2618, 493012), (2717, 475048), (2926, 441116), (3094, 417164), (3458, 373252), (3493, 369512), (3553, 363272), (3992, 323323), (4004, 322354), (4199, 307384), (4522, 285428), (4862, 265468), (5236, 246506), (5434, 237524), (5489, 235144), (5852, 220558), (6188, 208582), (6487, 198968), (6916, 186626), (6986, 184756), (7106, 181636), (8008, 161177), (8398, 153692), (8483, 152152), (9044, 142714), (9481, 136136), (9724, 132734), (10472, 123253), (10868, 118762), (10978, 117572), (11704, 110279), (12376, 104291), (12974, 99484), (13832, 93313), (13972, 92378), (14212, 90818), (16796, 76846), (16966, 76076), (17017, 75848), (18088, 71357), (18962, 68068), (19019, 67864), (19448, 66367), (21736, 59381), (21956, 58786), (24871, 51896), (25948, 49742), (27944, 46189), (28424, 45409), (29393, 43912), (33592, 38423), (33932, 38038), (34034, 37924)]