81539460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50333}}^1$

素因数の和:50354

約数の個数: 60

約数和(自身を含む): 255797388

約数和(自身を除く): 174257928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50333, 100666, 150999, 201332, 251665, 301998, 452997, 503330, 603996, 754995, 905994, 1006660, 1358991, 1509990, 1811988, 2264985, 2717982, 3019980, 4076973, 4529970, 5435964, 6794955, 8153946, 9059940, 13589910, 16307892, 20384865, 27179820, 40769730, 81539460]

約数ペア:

[(1, 81539460), (2, 40769730), (3, 27179820), (4, 20384865), (5, 16307892), (6, 13589910), (9, 9059940), (10, 8153946), (12, 6794955), (15, 5435964), (18, 4529970), (20, 4076973), (27, 3019980), (30, 2717982), (36, 2264985), (45, 1811988), (54, 1509990), (60, 1358991), (81, 1006660), (90, 905994), (108, 754995), (135, 603996), (162, 503330), (180, 452997), (270, 301998), (324, 251665), (405, 201332), (540, 150999), (810, 100666), (1620, 50333)]