161662140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 508540032

約数和(自身を除く): 346877892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 97, 141, 180, 188, 194, 197, 235, 282, 291, 388, 394, 423, 470, 485, 564, 582, 591, 705, 788, 846, 873, 940, 970, 985, 1164, 1182, 1410, 1455, 1692, 1746, 1773, 1940, 1970, 2115, 2364, 2820, 2910, 2955, 3492, 3546, 3940, 4230, 4365, 4559, 5820, 5910, 7092, 8460, 8730, 8865, 9118, 9259, 11820, 13677, 17460, 17730, 18236, 18518, 19109, 22795, 27354, 27777, 35460, 37036, 38218, 41031, 45590, 46295, 54708, 55554, 57327, 68385, 76436, 82062, 83331, 91180, 92590, 95545, 111108, 114654, 136770, 138885, 164124, 166662, 171981, 185180, 191090, 205155, 229308, 273540, 277770, 286635, 333324, 343962, 382180, 410310, 416655, 555540, 573270, 687924, 820620, 833310, 859905, 898123, 1146540, 1666620, 1719810, 1796246, 2694369, 3439620, 3592492, 4490615, 5388738, 8083107, 8981230, 10777476, 13471845, 16166214, 17962460, 26943690, 32332428, 40415535, 53887380, 80831070, 161662140]

約数ペア:

[(1, 161662140), (2, 80831070), (3, 53887380), (4, 40415535), (5, 32332428), (6, 26943690), (9, 17962460), (10, 16166214), (12, 13471845), (15, 10777476), (18, 8981230), (20, 8083107), (30, 5388738), (36, 4490615), (45, 3592492), (47, 3439620), (60, 2694369), (90, 1796246), (94, 1719810), (97, 1666620), (141, 1146540), (180, 898123), (188, 859905), (194, 833310), (197, 820620), (235, 687924), (282, 573270), (291, 555540), (388, 416655), (394, 410310), (423, 382180), (470, 343962), (485, 333324), (564, 286635), (582, 277770), (591, 273540), (705, 229308), (788, 205155), (846, 191090), (873, 185180), (940, 171981), (970, 166662), (985, 164124), (1164, 138885), (1182, 136770), (1410, 114654), (1455, 111108), (1692, 95545), (1746, 92590), (1773, 91180), (1940, 83331), (1970, 82062), (2115, 76436), (2364, 68385), (2820, 57327), (2910, 55554), (2955, 54708), (3492, 46295), (3546, 45590), (3940, 41031), (4230, 38218), (4365, 37036), (4559, 35460), (5820, 27777), (5910, 27354), (7092, 22795), (8460, 19109), (8730, 18518), (8865, 18236), (9118, 17730), (9259, 17460), (11820, 13677)]