1991472240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{267671}}^1$

素因数の和:267718

約数の個数: 80

約数和(自身を含む): 6372734976

約数和(自身を除く): 4381262736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 267671, 535342, 803013, 1070684, 1338355, 1606026, 2141368, 2676710, 3212052, 4015065, 4282736, 5353420, 6424104, 8030130, 8297801, 10706840, 12848208, 16060260, 16595602, 21413680, 24893403, 32120520, 33191204, 41489005, 49786806, 64241040, 66382408, 82978010, 99573612, 124467015, 132764816, 165956020, 199147224, 248934030, 331912040, 398294448, 497868060, 663824080, 995736120, 1991472240]

約数ペア:

[(1, 1991472240), (2, 995736120), (3, 663824080), (4, 497868060), (5, 398294448), (6, 331912040), (8, 248934030), (10, 199147224), (12, 165956020), (15, 132764816), (16, 124467015), (20, 99573612), (24, 82978010), (30, 66382408), (31, 64241040), (40, 49786806), (48, 41489005), (60, 33191204), (62, 32120520), (80, 24893403), (93, 21413680), (120, 16595602), (124, 16060260), (155, 12848208), (186, 10706840), (240, 8297801), (248, 8030130), (310, 6424104), (372, 5353420), (465, 4282736), (496, 4015065), (620, 3212052), (744, 2676710), (930, 2141368), (1240, 1606026), (1488, 1338355), (1860, 1070684), (2480, 803013), (3720, 535342), (7440, 267671)]