76721905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 113379840

約数和(自身を除く): 36657935

約数列:

[1, 5, 13, 19, 23, 37, 65, 73, 95, 115, 185, 247, 299, 365, 437, 481, 703, 851, 949, 1235, 1387, 1495, 1679, 2185, 2405, 2701, 3515, 4255, 4745, 5681, 6935, 8395, 9139, 11063, 13505, 16169, 18031, 21827, 28405, 31901, 35113, 45695, 51319, 55315, 62123, 80845, 90155, 109135, 159505, 175565, 210197, 256595, 310615, 414713, 667147, 807599, 1050985, 1180337, 2073565, 3335735, 4037995, 5901685, 15344381, 76721905]

約数ペア:

[(1, 76721905), (5, 15344381), (13, 5901685), (19, 4037995), (23, 3335735), (37, 2073565), (65, 1180337), (73, 1050985), (95, 807599), (115, 667147), (185, 414713), (247, 310615), (299, 256595), (365, 210197), (437, 175565), (481, 159505), (703, 109135), (851, 90155), (949, 80845), (1235, 62123), (1387, 55315), (1495, 51319), (1679, 45695), (2185, 35113), (2405, 31901), (2701, 28405), (3515, 21827), (4255, 18031), (4745, 16169), (5681, 13505), (6935, 11063), (8395, 9139)]