90831440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2740

約数の個数: 80

約数和(自身を含む): 245400960

約数和(自身を除く): 154569520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 2659, 3416, 4270, 4880, 5318, 6832, 8540, 10636, 13295, 17080, 18613, 21272, 26590, 34160, 37226, 42544, 53180, 74452, 93065, 106360, 148904, 162199, 186130, 212720, 297808, 324398, 372260, 648796, 744520, 810995, 1135393, 1297592, 1489040, 1621990, 2270786, 2595184, 3243980, 4541572, 5676965, 6487960, 9083144, 11353930, 12975920, 18166288, 22707860, 45415720, 90831440]

約数ペア:

[(1, 90831440), (2, 45415720), (4, 22707860), (5, 18166288), (7, 12975920), (8, 11353930), (10, 9083144), (14, 6487960), (16, 5676965), (20, 4541572), (28, 3243980), (35, 2595184), (40, 2270786), (56, 1621990), (61, 1489040), (70, 1297592), (80, 1135393), (112, 810995), (122, 744520), (140, 648796), (244, 372260), (280, 324398), (305, 297808), (427, 212720), (488, 186130), (560, 162199), (610, 148904), (854, 106360), (976, 93065), (1220, 74452), (1708, 53180), (2135, 42544), (2440, 37226), (2659, 34160), (3416, 26590), (4270, 21272), (4880, 18613), (5318, 17080), (6832, 13295), (8540, 10636)]