71664660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 228324096

約数和(自身を除く): 156659436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 197, 215, 235, 258, 282, 387, 394, 423, 430, 470, 516, 564, 591, 645, 705, 774, 788, 846, 860, 940, 985, 1182, 1290, 1410, 1548, 1692, 1773, 1935, 1970, 2021, 2115, 2364, 2580, 2820, 2955, 3546, 3870, 3940, 4042, 4230, 5910, 6063, 7092, 7740, 8084, 8460, 8471, 8865, 9259, 10105, 11820, 12126, 16942, 17730, 18189, 18518, 20210, 24252, 25413, 27777, 30315, 33884, 35460, 36378, 37036, 40420, 42355, 46295, 50826, 55554, 60630, 72756, 76239, 83331, 84710, 90945, 92590, 101652, 111108, 121260, 127065, 138885, 152478, 166662, 169420, 181890, 185180, 254130, 277770, 304956, 333324, 363780, 381195, 398137, 416655, 508260, 555540, 762390, 796274, 833310, 1194411, 1524780, 1592548, 1666620, 1990685, 2388822, 3583233, 3981370, 4777644, 5972055, 7166466, 7962740, 11944110, 14332932, 17916165, 23888220, 35832330, 71664660]

約数ペア:

[(1, 71664660), (2, 35832330), (3, 23888220), (4, 17916165), (5, 14332932), (6, 11944110), (9, 7962740), (10, 7166466), (12, 5972055), (15, 4777644), (18, 3981370), (20, 3583233), (30, 2388822), (36, 1990685), (43, 1666620), (45, 1592548), (47, 1524780), (60, 1194411), (86, 833310), (90, 796274), (94, 762390), (129, 555540), (141, 508260), (172, 416655), (180, 398137), (188, 381195), (197, 363780), (215, 333324), (235, 304956), (258, 277770), (282, 254130), (387, 185180), (394, 181890), (423, 169420), (430, 166662), (470, 152478), (516, 138885), (564, 127065), (591, 121260), (645, 111108), (705, 101652), (774, 92590), (788, 90945), (846, 84710), (860, 83331), (940, 76239), (985, 72756), (1182, 60630), (1290, 55554), (1410, 50826), (1548, 46295), (1692, 42355), (1773, 40420), (1935, 37036), (1970, 36378), (2021, 35460), (2115, 33884), (2364, 30315), (2580, 27777), (2820, 25413), (2955, 24252), (3546, 20210), (3870, 18518), (3940, 18189), (4042, 17730), (4230, 16942), (5910, 12126), (6063, 11820), (7092, 10105), (7740, 9259), (8084, 8865), (8460, 8471)]