64720824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1499}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 185760000

約数和(自身を除く): 121039176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1499, 1542, 1799, 2056, 2998, 3084, 3598, 4497, 5397, 5996, 6168, 7196, 8994, 10493, 10794, 11992, 14392, 17988, 20986, 21588, 31479, 35976, 41972, 43176, 62958, 83944, 125916, 251832, 385243, 770486, 1155729, 1540972, 2311458, 2696701, 3081944, 4622916, 5393402, 8090103, 9245832, 10786804, 16180206, 21573608, 32360412, 64720824]

約数ペア:

[(1, 64720824), (2, 32360412), (3, 21573608), (4, 16180206), (6, 10786804), (7, 9245832), (8, 8090103), (12, 5393402), (14, 4622916), (21, 3081944), (24, 2696701), (28, 2311458), (42, 1540972), (56, 1155729), (84, 770486), (168, 385243), (257, 251832), (514, 125916), (771, 83944), (1028, 62958), (1499, 43176), (1542, 41972), (1799, 35976), (2056, 31479), (2998, 21588), (3084, 20986), (3598, 17988), (4497, 14392), (5397, 11992), (5996, 10794), (6168, 10493), (7196, 8994)]