81653910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9103}}^1$

素因数の和:9149

約数の個数: 64

約数和(自身を含む): 220243968

約数和(自身を除く): 138590058

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 9103, 18206, 27309, 45515, 54618, 91030, 118339, 136545, 209369, 236678, 273090, 355017, 418738, 591695, 628107, 710034, 1046845, 1183390, 1256214, 1775085, 2093690, 2721797, 3140535, 3550170, 5443594, 6281070, 8165391, 13608985, 16330782, 27217970, 40826955, 81653910]

約数ペア:

[(1, 81653910), (2, 40826955), (3, 27217970), (5, 16330782), (6, 13608985), (10, 8165391), (13, 6281070), (15, 5443594), (23, 3550170), (26, 3140535), (30, 2721797), (39, 2093690), (46, 1775085), (65, 1256214), (69, 1183390), (78, 1046845), (115, 710034), (130, 628107), (138, 591695), (195, 418738), (230, 355017), (299, 273090), (345, 236678), (390, 209369), (598, 136545), (690, 118339), (897, 91030), (1495, 54618), (1794, 45515), (2990, 27309), (4485, 18206), (8970, 9103)]