81694920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21961}}^1$

素因数の和:22006

約数の個数: 64

約数和(自身を含む): 253002240

約数和(自身を除く): 171307320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21961, 43922, 65883, 87844, 109805, 131766, 175688, 219610, 263532, 329415, 439220, 527064, 658830, 680791, 878440, 1317660, 1361582, 2042373, 2635320, 2723164, 3403955, 4084746, 5446328, 6807910, 8169492, 10211865, 13615820, 16338984, 20423730, 27231640, 40847460, 81694920]

約数ペア:

[(1, 81694920), (2, 40847460), (3, 27231640), (4, 20423730), (5, 16338984), (6, 13615820), (8, 10211865), (10, 8169492), (12, 6807910), (15, 5446328), (20, 4084746), (24, 3403955), (30, 2723164), (31, 2635320), (40, 2042373), (60, 1361582), (62, 1317660), (93, 878440), (120, 680791), (124, 658830), (155, 527064), (186, 439220), (248, 329415), (310, 263532), (372, 219610), (465, 175688), (620, 131766), (744, 109805), (930, 87844), (1240, 65883), (1860, 43922), (3720, 21961)]