179968640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 455915520

約数和(自身を除く): 275946880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 155, 160, 188, 193, 235, 248, 310, 320, 376, 386, 470, 496, 620, 640, 752, 772, 940, 965, 992, 1240, 1457, 1504, 1544, 1880, 1930, 1984, 2480, 2914, 3008, 3088, 3760, 3860, 3968, 4960, 5828, 5983, 6016, 6176, 7285, 7520, 7720, 9071, 9920, 11656, 11966, 12352, 14570, 15040, 15440, 18142, 19840, 23312, 23932, 24704, 29140, 29915, 30080, 30880, 36284, 45355, 46624, 47864, 58280, 59830, 61760, 72568, 90710, 93248, 95728, 116560, 119660, 123520, 145136, 181420, 186496, 191456, 233120, 239320, 281201, 290272, 362840, 382912, 466240, 478640, 562402, 580544, 725680, 765824, 932480, 957280, 1124804, 1161088, 1406005, 1451360, 1914560, 2249608, 2812010, 2902720, 3829120, 4499216, 5624020, 5805440, 8998432, 11248040, 17996864, 22496080, 35993728, 44992160, 89984320, 179968640]

約数ペア:

[(1, 179968640), (2, 89984320), (4, 44992160), (5, 35993728), (8, 22496080), (10, 17996864), (16, 11248040), (20, 8998432), (31, 5805440), (32, 5624020), (40, 4499216), (47, 3829120), (62, 2902720), (64, 2812010), (80, 2249608), (94, 1914560), (124, 1451360), (128, 1406005), (155, 1161088), (160, 1124804), (188, 957280), (193, 932480), (235, 765824), (248, 725680), (310, 580544), (320, 562402), (376, 478640), (386, 466240), (470, 382912), (496, 362840), (620, 290272), (640, 281201), (752, 239320), (772, 233120), (940, 191456), (965, 186496), (992, 181420), (1240, 145136), (1457, 123520), (1504, 119660), (1544, 116560), (1880, 95728), (1930, 93248), (1984, 90710), (2480, 72568), (2914, 61760), (3008, 59830), (3088, 58280), (3760, 47864), (3860, 46624), (3968, 45355), (4960, 36284), (5828, 30880), (5983, 30080), (6016, 29915), (6176, 29140), (7285, 24704), (7520, 23932), (7720, 23312), (9071, 19840), (9920, 18142), (11656, 15440), (11966, 15040), (12352, 14570)]