87980868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 235435200

約数和(自身を除く): 147454332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 293, 342, 439, 586, 684, 878, 879, 1172, 1317, 1756, 1758, 2634, 2637, 3516, 3951, 5268, 5274, 5567, 7902, 8341, 10548, 11134, 15804, 16682, 16701, 22268, 25023, 33364, 33402, 50046, 50103, 66804, 75069, 100092, 100206, 128627, 150138, 200412, 257254, 300276, 385881, 514508, 771762, 1157643, 1543524, 2315286, 2443913, 4630572, 4887826, 7331739, 9775652, 14663478, 21995217, 29326956, 43990434, 87980868]

約数ペア:

[(1, 87980868), (2, 43990434), (3, 29326956), (4, 21995217), (6, 14663478), (9, 9775652), (12, 7331739), (18, 4887826), (19, 4630572), (36, 2443913), (38, 2315286), (57, 1543524), (76, 1157643), (114, 771762), (171, 514508), (228, 385881), (293, 300276), (342, 257254), (439, 200412), (586, 150138), (684, 128627), (878, 100206), (879, 100092), (1172, 75069), (1317, 66804), (1756, 50103), (1758, 50046), (2634, 33402), (2637, 33364), (3516, 25023), (3951, 22268), (5268, 16701), (5274, 16682), (5567, 15804), (7902, 11134), (8341, 10548)]