74079540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 243891648

約数和(自身を除く): 169812108

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, 563, 612, 645, 731, 765, 774, 860, 1020, 1126, 1290, 1462, 1530, 1548, 1689, 1935, 2193, 2252, 2580, 2815, 2924, 3060, 3378, 3655, 3870, 4386, 5067, 5630, 6579, 6756, 7310, 7740, 8445, 8772, 9571, 10134, 10965, 11260, 13158, 14620, 16890, 19142, 20268, 21930, 24209, 25335, 26316, 28713, 32895, 33780, 38284, 43860, 47855, 48418, 50670, 57426, 65790, 72627, 86139, 95710, 96836, 101340, 114852, 121045, 131580, 143565, 145254, 172278, 191420, 217881, 242090, 287130, 290508, 344556, 363135, 411553, 430695, 435762, 484180, 574260, 726270, 823106, 861390, 871524, 1089405, 1234659, 1452540, 1646212, 1722780, 2057765, 2178810, 2469318, 3703977, 4115530, 4357620, 4938636, 6173295, 7407954, 8231060, 12346590, 14815908, 18519885, 24693180, 37039770, 74079540]

約数ペア:

[(1, 74079540), (2, 37039770), (3, 24693180), (4, 18519885), (5, 14815908), (6, 12346590), (9, 8231060), (10, 7407954), (12, 6173295), (15, 4938636), (17, 4357620), (18, 4115530), (20, 3703977), (30, 2469318), (34, 2178810), (36, 2057765), (43, 1722780), (45, 1646212), (51, 1452540), (60, 1234659), (68, 1089405), (85, 871524), (86, 861390), (90, 823106), (102, 726270), (129, 574260), (153, 484180), (170, 435762), (172, 430695), (180, 411553), (204, 363135), (215, 344556), (255, 290508), (258, 287130), (306, 242090), (340, 217881), (387, 191420), (430, 172278), (510, 145254), (516, 143565), (563, 131580), (612, 121045), (645, 114852), (731, 101340), (765, 96836), (774, 95710), (860, 86139), (1020, 72627), (1126, 65790), (1290, 57426), (1462, 50670), (1530, 48418), (1548, 47855), (1689, 43860), (1935, 38284), (2193, 33780), (2252, 32895), (2580, 28713), (2815, 26316), (2924, 25335), (3060, 24209), (3378, 21930), (3655, 20268), (3870, 19142), (4386, 16890), (5067, 14620), (5630, 13158), (6579, 11260), (6756, 10965), (7310, 10134), (7740, 9571), (8445, 8772)]