1267736320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:838

約数の個数: 144

約数和(自身を含む): 3211794432

約数和(自身を除く): 1944058112

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, 620, 640, 688, 743, 860, 992, 1240, 1280, 1333, 1376, 1486, 1720, 1984, 2480, 2666, 2752, 2972, 3440, 3715, 3968, 4960, 5332, 5504, 5944, 6665, 6880, 7430, 7936, 9920, 10664, 11008, 11888, 13330, 13760, 14860, 19840, 21328, 23033, 23776, 26660, 27520, 29720, 31949, 39680, 42656, 46066, 47552, 53320, 55040, 59440, 63898, 85312, 92132, 95104, 106640, 115165, 118880, 127796, 159745, 170624, 184264, 190208, 213280, 230330, 237760, 255592, 319490, 341248, 368528, 426560, 460660, 475520, 511184, 638980, 737056, 853120, 921320, 951040, 990419, 1022368, 1277960, 1474112, 1706240, 1842640, 1980838, 2044736, 2555920, 2948224, 3685280, 3961676, 4089472, 4952095, 5111840, 5896448, 7370560, 7923352, 8178944, 9904190, 10223680, 14741120, 15846704, 19808380, 20447360, 29482240, 31693408, 39616760, 40894720, 63386816, 79233520, 126773632, 158467040, 253547264, 316934080, 633868160, 1267736320]

約数ペア:

[(1, 1267736320), (2, 633868160), (4, 316934080), (5, 253547264), (8, 158467040), (10, 126773632), (16, 79233520), (20, 63386816), (31, 40894720), (32, 39616760), (40, 31693408), (43, 29482240), (62, 20447360), (64, 19808380), (80, 15846704), (86, 14741120), (124, 10223680), (128, 9904190), (155, 8178944), (160, 7923352), (172, 7370560), (215, 5896448), (248, 5111840), (256, 4952095), (310, 4089472), (320, 3961676), (344, 3685280), (430, 2948224), (496, 2555920), (620, 2044736), (640, 1980838), (688, 1842640), (743, 1706240), (860, 1474112), (992, 1277960), (1240, 1022368), (1280, 990419), (1333, 951040), (1376, 921320), (1486, 853120), (1720, 737056), (1984, 638980), (2480, 511184), (2666, 475520), (2752, 460660), (2972, 426560), (3440, 368528), (3715, 341248), (3968, 319490), (4960, 255592), (5332, 237760), (5504, 230330), (5944, 213280), (6665, 190208), (6880, 184264), (7430, 170624), (7936, 159745), (9920, 127796), (10664, 118880), (11008, 115165), (11888, 106640), (13330, 95104), (13760, 92132), (14860, 85312), (19840, 63898), (21328, 59440), (23033, 55040), (23776, 53320), (26660, 47552), (27520, 46066), (29720, 42656), (31949, 39680)]