720826880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 120

約数和(自身を含む): 1791939996

約数和(自身を除く): 1071113116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 293, 310, 320, 496, 512, 586, 620, 640, 961, 992, 1172, 1240, 1280, 1465, 1922, 1984, 2344, 2480, 2560, 2930, 3844, 3968, 4688, 4805, 4960, 5860, 7688, 7936, 9083, 9376, 9610, 9920, 11720, 15376, 15872, 18166, 18752, 19220, 19840, 23440, 30752, 36332, 37504, 38440, 39680, 45415, 46880, 61504, 72664, 75008, 76880, 79360, 90830, 93760, 123008, 145328, 150016, 153760, 181660, 187520, 246016, 281573, 290656, 307520, 363320, 375040, 492032, 563146, 581312, 615040, 726640, 750080, 1126292, 1162624, 1230080, 1407865, 1453280, 2252584, 2325248, 2460160, 2815730, 2906560, 4505168, 4650496, 5631460, 5813120, 9010336, 11262920, 11626240, 18020672, 22525840, 23252480, 36041344, 45051680, 72082688, 90103360, 144165376, 180206720, 360413440, 720826880]

約数ペア:

[(1, 720826880), (2, 360413440), (4, 180206720), (5, 144165376), (8, 90103360), (10, 72082688), (16, 45051680), (20, 36041344), (31, 23252480), (32, 22525840), (40, 18020672), (62, 11626240), (64, 11262920), (80, 9010336), (124, 5813120), (128, 5631460), (155, 4650496), (160, 4505168), (248, 2906560), (256, 2815730), (293, 2460160), (310, 2325248), (320, 2252584), (496, 1453280), (512, 1407865), (586, 1230080), (620, 1162624), (640, 1126292), (961, 750080), (992, 726640), (1172, 615040), (1240, 581312), (1280, 563146), (1465, 492032), (1922, 375040), (1984, 363320), (2344, 307520), (2480, 290656), (2560, 281573), (2930, 246016), (3844, 187520), (3968, 181660), (4688, 153760), (4805, 150016), (4960, 145328), (5860, 123008), (7688, 93760), (7936, 90830), (9083, 79360), (9376, 76880), (9610, 75008), (9920, 72664), (11720, 61504), (15376, 46880), (15872, 45415), (18166, 39680), (18752, 38440), (19220, 37504), (19840, 36332), (23440, 30752)]