313857520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 753701760

約数和(自身を除く): 439844240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 158, 212, 265, 316, 395, 424, 530, 632, 790, 848, 937, 1060, 1264, 1580, 1874, 2120, 3160, 3748, 4187, 4240, 4685, 6320, 7496, 8374, 9370, 14992, 16748, 18740, 20935, 33496, 37480, 41870, 49661, 66992, 74023, 74960, 83740, 99322, 148046, 167480, 198644, 248305, 296092, 334960, 370115, 397288, 496610, 592184, 740230, 794576, 993220, 1184368, 1480460, 1986440, 2960920, 3923219, 3972880, 5921840, 7846438, 15692876, 19616095, 31385752, 39232190, 62771504, 78464380, 156928760, 313857520]

約数ペア:

[(1, 313857520), (2, 156928760), (4, 78464380), (5, 62771504), (8, 39232190), (10, 31385752), (16, 19616095), (20, 15692876), (40, 7846438), (53, 5921840), (79, 3972880), (80, 3923219), (106, 2960920), (158, 1986440), (212, 1480460), (265, 1184368), (316, 993220), (395, 794576), (424, 740230), (530, 592184), (632, 496610), (790, 397288), (848, 370115), (937, 334960), (1060, 296092), (1264, 248305), (1580, 198644), (1874, 167480), (2120, 148046), (3160, 99322), (3748, 83740), (4187, 74960), (4240, 74023), (4685, 66992), (6320, 49661), (7496, 41870), (8374, 37480), (9370, 33496), (14992, 20935), (16748, 18740)]