1991365488

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{367}}^1\times {\mathrm{769}}^1$

素因数の和:1164

約数の個数: 180

約数和(自身を含む): 6509062560

約数和(自身を除く): 4517697072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 367, 392, 441, 504, 588, 734, 769, 784, 882, 1008, 1101, 1176, 1468, 1538, 1764, 2202, 2307, 2352, 2569, 2936, 3076, 3303, 3528, 4404, 4614, 5138, 5383, 5872, 6152, 6606, 6921, 7056, 7707, 8808, 9228, 10276, 10766, 12304, 13212, 13842, 15414, 16149, 17616, 17983, 18456, 20552, 21532, 23121, 26424, 27684, 30828, 32298, 35966, 36912, 37681, 41104, 43064, 46242, 48447, 52848, 53949, 55368, 61656, 64596, 71932, 75362, 86128, 92484, 96894, 107898, 110736, 113043, 123312, 129192, 143864, 150724, 161847, 184968, 193788, 215796, 226086, 258384, 282223, 287728, 301448, 323694, 339129, 369936, 387576, 431592, 452172, 564446, 602896, 647388, 678258, 775152, 846669, 863184, 904344, 1128892, 1294776, 1356516, 1693338, 1808688, 1975561, 2257784, 2540007, 2589552, 2713032, 3386676, 3951122, 4515568, 5080014, 5426064, 5926683, 6773352, 7902244, 10160028, 11853366, 13546704, 13828927, 15804488, 17780049, 20320056, 23706732, 27657854, 31608976, 35560098, 40640112, 41486781, 47413464, 55315708, 71120196, 82973562, 94826928, 110631416, 124460343, 142240392, 165947124, 221262832, 248920686, 284480784, 331894248, 497841372, 663788496, 995682744, 1991365488]

約数ペア:

[(1, 1991365488), (2, 995682744), (3, 663788496), (4, 497841372), (6, 331894248), (7, 284480784), (8, 248920686), (9, 221262832), (12, 165947124), (14, 142240392), (16, 124460343), (18, 110631416), (21, 94826928), (24, 82973562), (28, 71120196), (36, 55315708), (42, 47413464), (48, 41486781), (49, 40640112), (56, 35560098), (63, 31608976), (72, 27657854), (84, 23706732), (98, 20320056), (112, 17780049), (126, 15804488), (144, 13828927), (147, 13546704), (168, 11853366), (196, 10160028), (252, 7902244), (294, 6773352), (336, 5926683), (367, 5426064), (392, 5080014), (441, 4515568), (504, 3951122), (588, 3386676), (734, 2713032), (769, 2589552), (784, 2540007), (882, 2257784), (1008, 1975561), (1101, 1808688), (1176, 1693338), (1468, 1356516), (1538, 1294776), (1764, 1128892), (2202, 904344), (2307, 863184), (2352, 846669), (2569, 775152), (2936, 678258), (3076, 647388), (3303, 602896), (3528, 564446), (4404, 452172), (4614, 431592), (5138, 387576), (5383, 369936), (5872, 339129), (6152, 323694), (6606, 301448), (6921, 287728), (7056, 282223), (7707, 258384), (8808, 226086), (9228, 215796), (10276, 193788), (10766, 184968), (12304, 161847), (13212, 150724), (13842, 143864), (15414, 129192), (16149, 123312), (17616, 113043), (17983, 110736), (18456, 107898), (20552, 96894), (21532, 92484), (23121, 86128), (26424, 75362), (27684, 71932), (30828, 64596), (32298, 61656), (35966, 55368), (36912, 53949), (37681, 52848), (41104, 48447), (43064, 46242)]