66115720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8839}}^1$

素因数の和:8878

約数の個数: 64

約数和(自身を含む): 171849600

約数和(自身を除く): 105733880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 8839, 17678, 35356, 44195, 70712, 88390, 97229, 150263, 176780, 194458, 300526, 353560, 388916, 486145, 601052, 751315, 777832, 972290, 1202104, 1502630, 1652893, 1944580, 3005260, 3305786, 3889160, 6010520, 6611572, 8264465, 13223144, 16528930, 33057860, 66115720]

約数ペア:

[(1, 66115720), (2, 33057860), (4, 16528930), (5, 13223144), (8, 8264465), (10, 6611572), (11, 6010520), (17, 3889160), (20, 3305786), (22, 3005260), (34, 1944580), (40, 1652893), (44, 1502630), (55, 1202104), (68, 972290), (85, 777832), (88, 751315), (110, 601052), (136, 486145), (170, 388916), (187, 353560), (220, 300526), (340, 194458), (374, 176780), (440, 150263), (680, 97229), (748, 88390), (935, 70712), (1496, 44195), (1870, 35356), (3740, 17678), (7480, 8839)]