68557860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2591}}^1$

素因数の和:2623

約数の個数: 144

約数和(自身を含む): 248209920

約数和(自身を除く): 179652060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2591, 2646, 2940, 3780, 4410, 5182, 5292, 6615, 7773, 8820, 10364, 12955, 13230, 15546, 18137, 23319, 25910, 26460, 31092, 36274, 38865, 46638, 51820, 54411, 69957, 72548, 77730, 90685, 93276, 108822, 116595, 126959, 139914, 155460, 163233, 181370, 217644, 233190, 253918, 272055, 279828, 326466, 349785, 362740, 380877, 466380, 489699, 507836, 544110, 634795, 652932, 699570, 761754, 816165, 979398, 1088220, 1142631, 1269590, 1399140, 1523508, 1632330, 1904385, 1958796, 2285262, 2448495, 2539180, 3264660, 3427893, 3808770, 4570524, 4896990, 5713155, 6855786, 7617540, 9793980, 11426310, 13711572, 17139465, 22852620, 34278930, 68557860]

約数ペア:

[(1, 68557860), (2, 34278930), (3, 22852620), (4, 17139465), (5, 13711572), (6, 11426310), (7, 9793980), (9, 7617540), (10, 6855786), (12, 5713155), (14, 4896990), (15, 4570524), (18, 3808770), (20, 3427893), (21, 3264660), (27, 2539180), (28, 2448495), (30, 2285262), (35, 1958796), (36, 1904385), (42, 1632330), (45, 1523508), (49, 1399140), (54, 1269590), (60, 1142631), (63, 1088220), (70, 979398), (84, 816165), (90, 761754), (98, 699570), (105, 652932), (108, 634795), (126, 544110), (135, 507836), (140, 489699), (147, 466380), (180, 380877), (189, 362740), (196, 349785), (210, 326466), (245, 279828), (252, 272055), (270, 253918), (294, 233190), (315, 217644), (378, 181370), (420, 163233), (441, 155460), (490, 139914), (540, 126959), (588, 116595), (630, 108822), (735, 93276), (756, 90685), (882, 77730), (945, 72548), (980, 69957), (1260, 54411), (1323, 51820), (1470, 46638), (1764, 38865), (1890, 36274), (2205, 31092), (2591, 26460), (2646, 25910), (2940, 23319), (3780, 18137), (4410, 15546), (5182, 13230), (5292, 12955), (6615, 10364), (7773, 8820)]