151855360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 388523520

約数和(自身を除く): 236668160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 89, 124, 128, 155, 160, 172, 178, 215, 248, 256, 310, 320, 344, 356, 430, 445, 496, 620, 640, 688, 712, 860, 890, 992, 1240, 1280, 1333, 1376, 1424, 1720, 1780, 1984, 2480, 2666, 2752, 2759, 2848, 3440, 3560, 3827, 3968, 4960, 5332, 5504, 5518, 5696, 6665, 6880, 7120, 7654, 7936, 9920, 10664, 11008, 11036, 11392, 13330, 13760, 13795, 14240, 15308, 19135, 19840, 21328, 22072, 22784, 26660, 27520, 27590, 28480, 30616, 38270, 39680, 42656, 44144, 53320, 55040, 55180, 56960, 61232, 76540, 85312, 88288, 106640, 110360, 113920, 118637, 122464, 153080, 170624, 176576, 213280, 220720, 237274, 244928, 306160, 341248, 353152, 426560, 441440, 474548, 489856, 593185, 612320, 706304, 853120, 882880, 949096, 979712, 1186370, 1224640, 1706240, 1765760, 1898192, 2372740, 2449280, 3531520, 3796384, 4745480, 4898560, 7592768, 9490960, 15185536, 18981920, 30371072, 37963840, 75927680, 151855360]

約数ペア:

[(1, 151855360), (2, 75927680), (4, 37963840), (5, 30371072), (8, 18981920), (10, 15185536), (16, 9490960), (20, 7592768), (31, 4898560), (32, 4745480), (40, 3796384), (43, 3531520), (62, 2449280), (64, 2372740), (80, 1898192), (86, 1765760), (89, 1706240), (124, 1224640), (128, 1186370), (155, 979712), (160, 949096), (172, 882880), (178, 853120), (215, 706304), (248, 612320), (256, 593185), (310, 489856), (320, 474548), (344, 441440), (356, 426560), (430, 353152), (445, 341248), (496, 306160), (620, 244928), (640, 237274), (688, 220720), (712, 213280), (860, 176576), (890, 170624), (992, 153080), (1240, 122464), (1280, 118637), (1333, 113920), (1376, 110360), (1424, 106640), (1720, 88288), (1780, 85312), (1984, 76540), (2480, 61232), (2666, 56960), (2752, 55180), (2759, 55040), (2848, 53320), (3440, 44144), (3560, 42656), (3827, 39680), (3968, 38270), (4960, 30616), (5332, 28480), (5504, 27590), (5518, 27520), (5696, 26660), (6665, 22784), (6880, 22072), (7120, 21328), (7654, 19840), (7936, 19135), (9920, 15308), (10664, 14240), (11008, 13795), (11036, 13760), (11392, 13330)]