40165020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 140894208

約数和(自身を除く): 100729188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 251, 252, 254, 315, 381, 420, 502, 508, 630, 635, 753, 762, 889, 1004, 1143, 1255, 1260, 1270, 1506, 1524, 1757, 1778, 1905, 2259, 2286, 2510, 2540, 2667, 3012, 3514, 3556, 3765, 3810, 4445, 4518, 4572, 5020, 5271, 5334, 5715, 7028, 7530, 7620, 8001, 8785, 8890, 9036, 10542, 10668, 11295, 11430, 13335, 15060, 15813, 16002, 17570, 17780, 21084, 22590, 22860, 26355, 26670, 31626, 31877, 32004, 35140, 40005, 45180, 52710, 53340, 63252, 63754, 79065, 80010, 95631, 105420, 127508, 158130, 159385, 160020, 191262, 223139, 286893, 316260, 318770, 382524, 446278, 478155, 573786, 637540, 669417, 892556, 956310, 1115695, 1147572, 1338834, 1434465, 1912620, 2008251, 2231390, 2677668, 2868930, 3347085, 4016502, 4462780, 5737860, 6694170, 8033004, 10041255, 13388340, 20082510, 40165020]

約数ペア:

[(1, 40165020), (2, 20082510), (3, 13388340), (4, 10041255), (5, 8033004), (6, 6694170), (7, 5737860), (9, 4462780), (10, 4016502), (12, 3347085), (14, 2868930), (15, 2677668), (18, 2231390), (20, 2008251), (21, 1912620), (28, 1434465), (30, 1338834), (35, 1147572), (36, 1115695), (42, 956310), (45, 892556), (60, 669417), (63, 637540), (70, 573786), (84, 478155), (90, 446278), (105, 382524), (126, 318770), (127, 316260), (140, 286893), (180, 223139), (210, 191262), (251, 160020), (252, 159385), (254, 158130), (315, 127508), (381, 105420), (420, 95631), (502, 80010), (508, 79065), (630, 63754), (635, 63252), (753, 53340), (762, 52710), (889, 45180), (1004, 40005), (1143, 35140), (1255, 32004), (1260, 31877), (1270, 31626), (1506, 26670), (1524, 26355), (1757, 22860), (1778, 22590), (1905, 21084), (2259, 17780), (2286, 17570), (2510, 16002), (2540, 15813), (2667, 15060), (3012, 13335), (3514, 11430), (3556, 11295), (3765, 10668), (3810, 10542), (4445, 9036), (4518, 8890), (4572, 8785), (5020, 8001), (5271, 7620), (5334, 7530), (5715, 7028)]