90792800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 261983232

約数和(自身を除く): 171190432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 523, 560, 620, 700, 775, 800, 868, 992, 1046, 1085, 1120, 1240, 1400, 1550, 1736, 2092, 2170, 2480, 2615, 2800, 3100, 3472, 3661, 4184, 4340, 4960, 5230, 5425, 5600, 6200, 6944, 7322, 8368, 8680, 10460, 10850, 12400, 13075, 14644, 16213, 16736, 17360, 18305, 20920, 21700, 24800, 26150, 29288, 32426, 34720, 36610, 41840, 43400, 52300, 58576, 64852, 73220, 81065, 83680, 86800, 91525, 104600, 113491, 117152, 129704, 146440, 162130, 173600, 183050, 209200, 226982, 259408, 292880, 324260, 366100, 405325, 418400, 453964, 518816, 567455, 585760, 648520, 732200, 810650, 907928, 1134910, 1297040, 1464400, 1621300, 1815856, 2269820, 2594080, 2837275, 2928800, 3242600, 3631712, 4539640, 5674550, 6485200, 9079280, 11349100, 12970400, 18158560, 22698200, 45396400, 90792800]

約数ペア:

[(1, 90792800), (2, 45396400), (4, 22698200), (5, 18158560), (7, 12970400), (8, 11349100), (10, 9079280), (14, 6485200), (16, 5674550), (20, 4539640), (25, 3631712), (28, 3242600), (31, 2928800), (32, 2837275), (35, 2594080), (40, 2269820), (50, 1815856), (56, 1621300), (62, 1464400), (70, 1297040), (80, 1134910), (100, 907928), (112, 810650), (124, 732200), (140, 648520), (155, 585760), (160, 567455), (175, 518816), (200, 453964), (217, 418400), (224, 405325), (248, 366100), (280, 324260), (310, 292880), (350, 259408), (400, 226982), (434, 209200), (496, 183050), (523, 173600), (560, 162130), (620, 146440), (700, 129704), (775, 117152), (800, 113491), (868, 104600), (992, 91525), (1046, 86800), (1085, 83680), (1120, 81065), (1240, 73220), (1400, 64852), (1550, 58576), (1736, 52300), (2092, 43400), (2170, 41840), (2480, 36610), (2615, 34720), (2800, 32426), (3100, 29288), (3472, 26150), (3661, 24800), (4184, 21700), (4340, 20920), (4960, 18305), (5230, 17360), (5425, 16736), (5600, 16213), (6200, 14644), (6944, 13075), (7322, 12400), (8368, 10850), (8680, 10460)]