72977135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 42591505

約数列:

[1, 5, 7, 11, 35, 37, 47, 55, 77, 109, 185, 235, 259, 329, 385, 407, 517, 545, 763, 1199, 1295, 1645, 1739, 2035, 2585, 2849, 3619, 3815, 4033, 5123, 5995, 8393, 8695, 12173, 14245, 18095, 19129, 20165, 25615, 28231, 35861, 41965, 44363, 56353, 60865, 95645, 133903, 141155, 179305, 189551, 221815, 281765, 310541, 394471, 669515, 947755, 1326857, 1552705, 1972355, 2085061, 6634285, 10425305, 14595427, 72977135]

約数ペア:

[(1, 72977135), (5, 14595427), (7, 10425305), (11, 6634285), (35, 2085061), (37, 1972355), (47, 1552705), (55, 1326857), (77, 947755), (109, 669515), (185, 394471), (235, 310541), (259, 281765), (329, 221815), (385, 189551), (407, 179305), (517, 141155), (545, 133903), (763, 95645), (1199, 60865), (1295, 56353), (1645, 44363), (1739, 41965), (2035, 35861), (2585, 28231), (2849, 25615), (3619, 20165), (3815, 19129), (4033, 18095), (5123, 14245), (5995, 12173), (8393, 8695)]