80751580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3413}}^1$

素因数の和:3455

約数の個数: 72

約数和(自身を含む): 209920032

約数和(自身を除く): 129168452

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 3413, 4732, 5915, 6826, 11830, 13652, 17065, 23660, 23891, 34130, 44369, 47782, 68260, 88738, 95564, 119455, 177476, 221845, 238910, 310583, 443690, 477820, 576797, 621166, 887380, 1153594, 1242332, 1552915, 2307188, 2883985, 3105830, 4037579, 5767970, 6211660, 8075158, 11535940, 16150316, 20187895, 40375790, 80751580]

約数ペア:

[(1, 80751580), (2, 40375790), (4, 20187895), (5, 16150316), (7, 11535940), (10, 8075158), (13, 6211660), (14, 5767970), (20, 4037579), (26, 3105830), (28, 2883985), (35, 2307188), (52, 1552915), (65, 1242332), (70, 1153594), (91, 887380), (130, 621166), (140, 576797), (169, 477820), (182, 443690), (260, 310583), (338, 238910), (364, 221845), (455, 177476), (676, 119455), (845, 95564), (910, 88738), (1183, 68260), (1690, 47782), (1820, 44369), (2366, 34130), (3380, 23891), (3413, 23660), (4732, 17065), (5915, 13652), (6826, 11830)]