8640420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 26345088

約数和(自身を除く): 17704668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 197, 204, 215, 255, 258, 340, 394, 430, 510, 516, 591, 645, 731, 788, 860, 985, 1020, 1182, 1290, 1462, 1970, 2193, 2364, 2580, 2924, 2955, 3349, 3655, 3940, 4386, 5910, 6698, 7310, 8471, 8772, 10047, 10965, 11820, 13396, 14620, 16745, 16942, 20094, 21930, 25413, 33490, 33884, 40188, 42355, 43860, 50235, 50826, 66980, 84710, 100470, 101652, 127065, 144007, 169420, 200940, 254130, 288014, 432021, 508260, 576028, 720035, 864042, 1440070, 1728084, 2160105, 2880140, 4320210, 8640420]

約数ペア:

[(1, 8640420), (2, 4320210), (3, 2880140), (4, 2160105), (5, 1728084), (6, 1440070), (10, 864042), (12, 720035), (15, 576028), (17, 508260), (20, 432021), (30, 288014), (34, 254130), (43, 200940), (51, 169420), (60, 144007), (68, 127065), (85, 101652), (86, 100470), (102, 84710), (129, 66980), (170, 50826), (172, 50235), (197, 43860), (204, 42355), (215, 40188), (255, 33884), (258, 33490), (340, 25413), (394, 21930), (430, 20094), (510, 16942), (516, 16745), (591, 14620), (645, 13396), (731, 11820), (788, 10965), (860, 10047), (985, 8772), (1020, 8471), (1182, 7310), (1290, 6698), (1462, 5910), (1970, 4386), (2193, 3940), (2364, 3655), (2580, 3349), (2924, 2955)]