81743280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10987}}^1$

素因数の和:11034

約数の個数: 80

約数和(自身を含む): 261602304

約数和(自身を除く): 179859024

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, 10987, 21974, 32961, 43948, 54935, 65922, 87896, 109870, 131844, 164805, 175792, 219740, 263688, 329610, 340597, 439480, 527376, 659220, 681194, 878960, 1021791, 1318440, 1362388, 1702985, 2043582, 2636880, 2724776, 3405970, 4087164, 5108955, 5449552, 6811940, 8174328, 10217910, 13623880, 16348656, 20435820, 27247760, 40871640, 81743280]

約数ペア:

[(1, 81743280), (2, 40871640), (3, 27247760), (4, 20435820), (5, 16348656), (6, 13623880), (8, 10217910), (10, 8174328), (12, 6811940), (15, 5449552), (16, 5108955), (20, 4087164), (24, 3405970), (30, 2724776), (31, 2636880), (40, 2043582), (48, 1702985), (60, 1362388), (62, 1318440), (80, 1021791), (93, 878960), (120, 681194), (124, 659220), (155, 527376), (186, 439480), (240, 340597), (248, 329610), (310, 263688), (372, 219740), (465, 175792), (496, 164805), (620, 131844), (744, 109870), (930, 87896), (1240, 65922), (1488, 54935), (1860, 43948), (2480, 32961), (3720, 21974), (7440, 10987)]