68904640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 128605760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 1619, 2128, 2240, 2660, 3040, 3238, 4256, 5320, 6080, 6476, 8095, 8512, 10640, 11333, 12952, 16190, 21280, 22666, 25904, 30761, 32380, 42560, 45332, 51808, 56665, 61522, 64760, 90664, 103616, 113330, 123044, 129520, 153805, 181328, 215327, 226660, 246088, 259040, 307610, 362656, 430654, 453320, 492176, 518080, 615220, 725312, 861308, 906640, 984352, 1076635, 1230440, 1722616, 1813280, 1968704, 2153270, 2460880, 3445232, 3626560, 4306540, 4921760, 6890464, 8613080, 9843520, 13780928, 17226160, 34452320, 68904640]

約数ペア:

[(1, 68904640), (2, 34452320), (4, 17226160), (5, 13780928), (7, 9843520), (8, 8613080), (10, 6890464), (14, 4921760), (16, 4306540), (19, 3626560), (20, 3445232), (28, 2460880), (32, 2153270), (35, 1968704), (38, 1813280), (40, 1722616), (56, 1230440), (64, 1076635), (70, 984352), (76, 906640), (80, 861308), (95, 725312), (112, 615220), (133, 518080), (140, 492176), (152, 453320), (160, 430654), (190, 362656), (224, 307610), (266, 259040), (280, 246088), (304, 226660), (320, 215327), (380, 181328), (448, 153805), (532, 129520), (560, 123044), (608, 113330), (665, 103616), (760, 90664), (1064, 64760), (1120, 61522), (1216, 56665), (1330, 51808), (1520, 45332), (1619, 42560), (2128, 32380), (2240, 30761), (2660, 25904), (3040, 22666), (3238, 21280), (4256, 16190), (5320, 12952), (6080, 11333), (6476, 10640), (8095, 8512)]