1557271968

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 192

約数和(自身を含む): 4793499648

約数和(自身を除く): 3236227680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 127, 142, 168, 213, 224, 254, 257, 284, 336, 381, 426, 497, 508, 514, 568, 672, 762, 771, 852, 889, 994, 1016, 1028, 1136, 1491, 1524, 1542, 1704, 1778, 1799, 1988, 2032, 2056, 2272, 2667, 2982, 3048, 3084, 3408, 3556, 3598, 3976, 4064, 4112, 5334, 5397, 5964, 6096, 6168, 6816, 7112, 7196, 7952, 8224, 9017, 10668, 10794, 11928, 12192, 12336, 14224, 14392, 15904, 18034, 18247, 21336, 21588, 23856, 24672, 27051, 28448, 28784, 32639, 36068, 36494, 42672, 43176, 47712, 54102, 54741, 57568, 63119, 65278, 72136, 72988, 85344, 86352, 97917, 108204, 109482, 126238, 127729, 130556, 144272, 145976, 172704, 189357, 195834, 216408, 218964, 228473, 252476, 255458, 261112, 288544, 291952, 378714, 383187, 391668, 432816, 437928, 456946, 504952, 510916, 522224, 583904, 685419, 757428, 766374, 783336, 865632, 875856, 913892, 1009904, 1021832, 1044448, 1370838, 1514856, 1532748, 1566672, 1751712, 1827784, 2019808, 2043664, 2317369, 2741676, 3029712, 3065496, 3133344, 3655568, 4087328, 4634738, 5483352, 6059424, 6130992, 6952107, 7311136, 9269476, 10966704, 12261984, 13904214, 16221583, 18538952, 21933408, 27808428, 32443166, 37077904, 48664749, 55616856, 64886332, 74155808, 97329498, 111233712, 129772664, 194658996, 222467424, 259545328, 389317992, 519090656, 778635984, 1557271968]

約数ペア:

[(1, 1557271968), (2, 778635984), (3, 519090656), (4, 389317992), (6, 259545328), (7, 222467424), (8, 194658996), (12, 129772664), (14, 111233712), (16, 97329498), (21, 74155808), (24, 64886332), (28, 55616856), (32, 48664749), (42, 37077904), (48, 32443166), (56, 27808428), (71, 21933408), (84, 18538952), (96, 16221583), (112, 13904214), (127, 12261984), (142, 10966704), (168, 9269476), (213, 7311136), (224, 6952107), (254, 6130992), (257, 6059424), (284, 5483352), (336, 4634738), (381, 4087328), (426, 3655568), (497, 3133344), (508, 3065496), (514, 3029712), (568, 2741676), (672, 2317369), (762, 2043664), (771, 2019808), (852, 1827784), (889, 1751712), (994, 1566672), (1016, 1532748), (1028, 1514856), (1136, 1370838), (1491, 1044448), (1524, 1021832), (1542, 1009904), (1704, 913892), (1778, 875856), (1799, 865632), (1988, 783336), (2032, 766374), (2056, 757428), (2272, 685419), (2667, 583904), (2982, 522224), (3048, 510916), (3084, 504952), (3408, 456946), (3556, 437928), (3598, 432816), (3976, 391668), (4064, 383187), (4112, 378714), (5334, 291952), (5397, 288544), (5964, 261112), (6096, 255458), (6168, 252476), (6816, 228473), (7112, 218964), (7196, 216408), (7952, 195834), (8224, 189357), (9017, 172704), (10668, 145976), (10794, 144272), (11928, 130556), (12192, 127729), (12336, 126238), (14224, 109482), (14392, 108204), (15904, 97917), (18034, 86352), (18247, 85344), (21336, 72988), (21588, 72136), (23856, 65278), (24672, 63119), (27051, 57568), (28448, 54741), (28784, 54102), (32639, 47712), (36068, 43176), (36494, 42672)]