31704320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 84768768

約数和(自身を除く): 53064448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 47, 62, 64, 68, 80, 85, 94, 124, 128, 136, 155, 160, 170, 188, 235, 248, 256, 272, 310, 320, 340, 376, 470, 496, 527, 544, 620, 640, 680, 752, 799, 940, 992, 1054, 1088, 1240, 1280, 1360, 1457, 1504, 1598, 1880, 1984, 2108, 2176, 2480, 2635, 2720, 2914, 3008, 3196, 3760, 3968, 3995, 4216, 4352, 4960, 5270, 5440, 5828, 6016, 6392, 7285, 7520, 7936, 7990, 8432, 9920, 10540, 10880, 11656, 12032, 12784, 14570, 15040, 15980, 16864, 19840, 21080, 21760, 23312, 24769, 25568, 29140, 30080, 31960, 33728, 39680, 42160, 46624, 49538, 51136, 58280, 60160, 63920, 67456, 84320, 93248, 99076, 102272, 116560, 123845, 127840, 134912, 168640, 186496, 198152, 204544, 233120, 247690, 255680, 337280, 372992, 396304, 466240, 495380, 511360, 674560, 792608, 932480, 990760, 1022720, 1585216, 1864960, 1981520, 3170432, 3963040, 6340864, 7926080, 15852160, 31704320]

約数ペア:

[(1, 31704320), (2, 15852160), (4, 7926080), (5, 6340864), (8, 3963040), (10, 3170432), (16, 1981520), (17, 1864960), (20, 1585216), (31, 1022720), (32, 990760), (34, 932480), (40, 792608), (47, 674560), (62, 511360), (64, 495380), (68, 466240), (80, 396304), (85, 372992), (94, 337280), (124, 255680), (128, 247690), (136, 233120), (155, 204544), (160, 198152), (170, 186496), (188, 168640), (235, 134912), (248, 127840), (256, 123845), (272, 116560), (310, 102272), (320, 99076), (340, 93248), (376, 84320), (470, 67456), (496, 63920), (527, 60160), (544, 58280), (620, 51136), (640, 49538), (680, 46624), (752, 42160), (799, 39680), (940, 33728), (992, 31960), (1054, 30080), (1088, 29140), (1240, 25568), (1280, 24769), (1360, 23312), (1457, 21760), (1504, 21080), (1598, 19840), (1880, 16864), (1984, 15980), (2108, 15040), (2176, 14570), (2480, 12784), (2635, 12032), (2720, 11656), (2914, 10880), (3008, 10540), (3196, 9920), (3760, 8432), (3968, 7990), (3995, 7936), (4216, 7520), (4352, 7285), (4960, 6392), (5270, 6016), (5440, 5828)]