87979860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15813

約数の個数: 72

約数和(自身を含む): 275498496

約数和(自身を除く): 187518636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15767, 31534, 47301, 63068, 78835, 94602, 141903, 157670, 189204, 236505, 283806, 315340, 473010, 488777, 567612, 709515, 946020, 977554, 1419030, 1466331, 1955108, 2443885, 2838060, 2932662, 4398993, 4887770, 5865324, 7331655, 8797986, 9775540, 14663310, 17595972, 21994965, 29326620, 43989930, 87979860]

約数ペア:

[(1, 87979860), (2, 43989930), (3, 29326620), (4, 21994965), (5, 17595972), (6, 14663310), (9, 9775540), (10, 8797986), (12, 7331655), (15, 5865324), (18, 4887770), (20, 4398993), (30, 2932662), (31, 2838060), (36, 2443885), (45, 1955108), (60, 1466331), (62, 1419030), (90, 977554), (93, 946020), (124, 709515), (155, 567612), (180, 488777), (186, 473010), (279, 315340), (310, 283806), (372, 236505), (465, 189204), (558, 157670), (620, 141903), (930, 94602), (1116, 78835), (1395, 63068), (1860, 47301), (2790, 31534), (5580, 15767)]