1330609720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{177889}}^1$

素因数の和:177928

約数の個数: 64

約数和(自身を含む): 3458181600

約数和(自身を除く): 2127571880

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, 177889, 355778, 711556, 889445, 1423112, 1778890, 1956779, 3024113, 3557780, 3913558, 6048226, 7115560, 7827116, 9783895, 12096452, 15120565, 15654232, 19567790, 24192904, 30241130, 33265243, 39135580, 60482260, 66530486, 78271160, 120964520, 133060972, 166326215, 266121944, 332652430, 665304860, 1330609720]

約数ペア:

[(1, 1330609720), (2, 665304860), (4, 332652430), (5, 266121944), (8, 166326215), (10, 133060972), (11, 120964520), (17, 78271160), (20, 66530486), (22, 60482260), (34, 39135580), (40, 33265243), (44, 30241130), (55, 24192904), (68, 19567790), (85, 15654232), (88, 15120565), (110, 12096452), (136, 9783895), (170, 7827116), (187, 7115560), (220, 6048226), (340, 3913558), (374, 3557780), (440, 3024113), (680, 1956779), (748, 1778890), (935, 1423112), (1496, 889445), (1870, 711556), (3740, 355778), (7480, 177889)]