1636760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2445640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 83, 85, 116, 136, 145, 166, 170, 232, 290, 332, 340, 415, 493, 580, 664, 680, 830, 986, 1160, 1411, 1660, 1972, 2407, 2465, 2822, 3320, 3944, 4814, 4930, 5644, 7055, 9628, 9860, 11288, 12035, 14110, 19256, 19720, 24070, 28220, 40919, 48140, 56440, 81838, 96280, 163676, 204595, 327352, 409190, 818380, 1636760]

約数ペア:

[(1, 1636760), (2, 818380), (4, 409190), (5, 327352), (8, 204595), (10, 163676), (17, 96280), (20, 81838), (29, 56440), (34, 48140), (40, 40919), (58, 28220), (68, 24070), (83, 19720), (85, 19256), (116, 14110), (136, 12035), (145, 11288), (166, 9860), (170, 9628), (232, 7055), (290, 5644), (332, 4930), (340, 4814), (415, 3944), (493, 3320), (580, 2822), (664, 2465), (680, 2407), (830, 1972), (986, 1660), (1160, 1411)]