28895160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 72711240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 839, 840, 861, 984, 1148, 1230, 1435, 1640, 1678, 1722, 2296, 2460, 2517, 2870, 3356, 3444, 4195, 4305, 4920, 5034, 5740, 5873, 6712, 6888, 8390, 8610, 10068, 11480, 11746, 12585, 16780, 17220, 17619, 20136, 23492, 25170, 29365, 33560, 34399, 34440, 35238, 46984, 50340, 58730, 68798, 70476, 88095, 100680, 103197, 117460, 137596, 140952, 171995, 176190, 206394, 234920, 240793, 275192, 343990, 352380, 412788, 481586, 515985, 687980, 704760, 722379, 825576, 963172, 1031970, 1203965, 1375960, 1444758, 1926344, 2063940, 2407930, 2889516, 3611895, 4127880, 4815860, 5779032, 7223790, 9631720, 14447580, 28895160]

約数ペア:

[(1, 28895160), (2, 14447580), (3, 9631720), (4, 7223790), (5, 5779032), (6, 4815860), (7, 4127880), (8, 3611895), (10, 2889516), (12, 2407930), (14, 2063940), (15, 1926344), (20, 1444758), (21, 1375960), (24, 1203965), (28, 1031970), (30, 963172), (35, 825576), (40, 722379), (41, 704760), (42, 687980), (56, 515985), (60, 481586), (70, 412788), (82, 352380), (84, 343990), (105, 275192), (120, 240793), (123, 234920), (140, 206394), (164, 176190), (168, 171995), (205, 140952), (210, 137596), (246, 117460), (280, 103197), (287, 100680), (328, 88095), (410, 70476), (420, 68798), (492, 58730), (574, 50340), (615, 46984), (820, 35238), (839, 34440), (840, 34399), (861, 33560), (984, 29365), (1148, 25170), (1230, 23492), (1435, 20136), (1640, 17619), (1678, 17220), (1722, 16780), (2296, 12585), (2460, 11746), (2517, 11480), (2870, 10068), (3356, 8610), (3444, 8390), (4195, 6888), (4305, 6712), (4920, 5873), (5034, 5740)]