2153274880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 160

約数和(自身を含む): 5461936128

約数和(自身を除く): 3308661248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 248, 256, 310, 320, 344, 430, 496, 512, 620, 631, 640, 688, 860, 992, 1240, 1262, 1280, 1333, 1376, 1720, 1984, 2480, 2524, 2560, 2666, 2752, 3155, 3440, 3968, 4960, 5048, 5332, 5504, 6310, 6665, 6880, 7936, 9920, 10096, 10664, 11008, 12620, 13330, 13760, 15872, 19561, 19840, 20192, 21328, 22016, 25240, 26660, 27133, 27520, 39122, 39680, 40384, 42656, 50480, 53320, 54266, 55040, 78244, 79360, 80768, 85312, 97805, 100960, 106640, 108532, 110080, 135665, 156488, 161536, 170624, 195610, 201920, 213280, 217064, 271330, 312976, 323072, 341248, 391220, 403840, 426560, 434128, 542660, 625952, 682496, 782440, 807680, 841123, 853120, 868256, 1085320, 1251904, 1564880, 1615360, 1682246, 1706240, 1736512, 2170640, 2503808, 3129760, 3364492, 3412480, 3473024, 4205615, 4341280, 5007616, 6259520, 6728984, 6946048, 8411230, 8682560, 10015232, 12519040, 13457968, 13892096, 16822460, 17365120, 25038080, 26915936, 33644920, 34730240, 50076160, 53831872, 67289840, 69460480, 107663744, 134579680, 215327488, 269159360, 430654976, 538318720, 1076637440, 2153274880]

約数ペア:

[(1, 2153274880), (2, 1076637440), (4, 538318720), (5, 430654976), (8, 269159360), (10, 215327488), (16, 134579680), (20, 107663744), (31, 69460480), (32, 67289840), (40, 53831872), (43, 50076160), (62, 34730240), (64, 33644920), (80, 26915936), (86, 25038080), (124, 17365120), (128, 16822460), (155, 13892096), (160, 13457968), (172, 12519040), (215, 10015232), (248, 8682560), (256, 8411230), (310, 6946048), (320, 6728984), (344, 6259520), (430, 5007616), (496, 4341280), (512, 4205615), (620, 3473024), (631, 3412480), (640, 3364492), (688, 3129760), (860, 2503808), (992, 2170640), (1240, 1736512), (1262, 1706240), (1280, 1682246), (1333, 1615360), (1376, 1564880), (1720, 1251904), (1984, 1085320), (2480, 868256), (2524, 853120), (2560, 841123), (2666, 807680), (2752, 782440), (3155, 682496), (3440, 625952), (3968, 542660), (4960, 434128), (5048, 426560), (5332, 403840), (5504, 391220), (6310, 341248), (6665, 323072), (6880, 312976), (7936, 271330), (9920, 217064), (10096, 213280), (10664, 201920), (11008, 195610), (12620, 170624), (13330, 161536), (13760, 156488), (15872, 135665), (19561, 110080), (19840, 108532), (20192, 106640), (21328, 100960), (22016, 97805), (25240, 85312), (26660, 80768), (27133, 79360), (27520, 78244), (39122, 55040), (39680, 54266), (40384, 53320), (42656, 50480)]