71974260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 236972736

約数和(自身を除く): 164998476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 547, 612, 645, 731, 765, 774, 860, 1020, 1094, 1290, 1462, 1530, 1548, 1641, 1935, 2188, 2193, 2580, 2735, 2924, 3060, 3282, 3655, 3870, 4386, 4923, 5470, 6564, 6579, 7310, 7740, 8205, 8772, 9299, 9846, 10940, 10965, 13158, 14620, 16410, 18598, 19692, 21930, 23521, 24615, 26316, 27897, 32820, 32895, 37196, 43860, 46495, 47042, 49230, 55794, 65790, 70563, 83691, 92990, 94084, 98460, 111588, 117605, 131580, 139485, 141126, 167382, 185980, 211689, 235210, 278970, 282252, 334764, 352815, 399857, 418455, 423378, 470420, 557940, 705630, 799714, 836910, 846756, 1058445, 1199571, 1411260, 1599428, 1673820, 1999285, 2116890, 2399142, 3598713, 3998570, 4233780, 4798284, 5997855, 7197426, 7997140, 11995710, 14394852, 17993565, 23991420, 35987130, 71974260]

約数ペア:

[(1, 71974260), (2, 35987130), (3, 23991420), (4, 17993565), (5, 14394852), (6, 11995710), (9, 7997140), (10, 7197426), (12, 5997855), (15, 4798284), (17, 4233780), (18, 3998570), (20, 3598713), (30, 2399142), (34, 2116890), (36, 1999285), (43, 1673820), (45, 1599428), (51, 1411260), (60, 1199571), (68, 1058445), (85, 846756), (86, 836910), (90, 799714), (102, 705630), (129, 557940), (153, 470420), (170, 423378), (172, 418455), (180, 399857), (204, 352815), (215, 334764), (255, 282252), (258, 278970), (306, 235210), (340, 211689), (387, 185980), (430, 167382), (510, 141126), (516, 139485), (547, 131580), (612, 117605), (645, 111588), (731, 98460), (765, 94084), (774, 92990), (860, 83691), (1020, 70563), (1094, 65790), (1290, 55794), (1462, 49230), (1530, 47042), (1548, 46495), (1641, 43860), (1935, 37196), (2188, 32895), (2193, 32820), (2580, 27897), (2735, 26316), (2924, 24615), (3060, 23521), (3282, 21930), (3655, 19692), (3870, 18598), (4386, 16410), (4923, 14620), (5470, 13158), (6564, 10965), (6579, 10940), (7310, 9846), (7740, 9299), (8205, 8772)]