180206720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 446671260

約数和(自身を除く): 266464540

約数列:

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

約数ペア:

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