71591640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25939}}^1$

素因数の和:25976

約数の個数: 64

約数和(自身を含む): 224121600

約数和(自身を除く): 152529960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 25939, 51878, 77817, 103756, 129695, 155634, 207512, 259390, 311268, 389085, 518780, 596597, 622536, 778170, 1037560, 1193194, 1556340, 1789791, 2386388, 2982985, 3112680, 3579582, 4772776, 5965970, 7159164, 8948955, 11931940, 14318328, 17897910, 23863880, 35795820, 71591640]

約数ペア:

[(1, 71591640), (2, 35795820), (3, 23863880), (4, 17897910), (5, 14318328), (6, 11931940), (8, 8948955), (10, 7159164), (12, 5965970), (15, 4772776), (20, 3579582), (23, 3112680), (24, 2982985), (30, 2386388), (40, 1789791), (46, 1556340), (60, 1193194), (69, 1037560), (92, 778170), (115, 622536), (120, 596597), (138, 518780), (184, 389085), (230, 311268), (276, 259390), (345, 207512), (460, 155634), (552, 129695), (690, 103756), (920, 77817), (1380, 51878), (2760, 25939)]