68216904

素因数分解:

$2^3\times 3^7\times 7^1\times {\mathrm{557}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 219628800

約数和(自身を除く): 151411896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 557, 567, 648, 729, 756, 972, 1114, 1134, 1458, 1512, 1671, 1701, 1944, 2187, 2228, 2268, 2916, 3342, 3402, 3899, 4374, 4456, 4536, 5013, 5103, 5832, 6684, 6804, 7798, 8748, 10026, 10206, 11697, 13368, 13608, 15039, 15309, 15596, 17496, 20052, 20412, 23394, 30078, 30618, 31192, 35091, 40104, 40824, 45117, 46788, 60156, 61236, 70182, 90234, 93576, 105273, 120312, 122472, 135351, 140364, 180468, 210546, 270702, 280728, 315819, 360936, 406053, 421092, 541404, 631638, 812106, 842184, 947457, 1082808, 1218159, 1263276, 1624212, 1894914, 2436318, 2526552, 2842371, 3248424, 3789828, 4872636, 5684742, 7579656, 8527113, 9745272, 11369484, 17054226, 22738968, 34108452, 68216904]

約数ペア:

[(1, 68216904), (2, 34108452), (3, 22738968), (4, 17054226), (6, 11369484), (7, 9745272), (8, 8527113), (9, 7579656), (12, 5684742), (14, 4872636), (18, 3789828), (21, 3248424), (24, 2842371), (27, 2526552), (28, 2436318), (36, 1894914), (42, 1624212), (54, 1263276), (56, 1218159), (63, 1082808), (72, 947457), (81, 842184), (84, 812106), (108, 631638), (126, 541404), (162, 421092), (168, 406053), (189, 360936), (216, 315819), (243, 280728), (252, 270702), (324, 210546), (378, 180468), (486, 140364), (504, 135351), (557, 122472), (567, 120312), (648, 105273), (729, 93576), (756, 90234), (972, 70182), (1114, 61236), (1134, 60156), (1458, 46788), (1512, 45117), (1671, 40824), (1701, 40104), (1944, 35091), (2187, 31192), (2228, 30618), (2268, 30078), (2916, 23394), (3342, 20412), (3402, 20052), (3899, 17496), (4374, 15596), (4456, 15309), (4536, 15039), (5013, 13608), (5103, 13368), (5832, 11697), (6684, 10206), (6804, 10026), (7798, 8748)]