77827680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{1103}}^1$

素因数の和:1138

約数の個数: 216

約数和(自身を含む): 309228192

約数和(自身を除く): 231400512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1103, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2206, 2352, 2520, 2940, 3309, 3360, 3528, 3920, 4410, 4412, 4704, 5040, 5515, 5880, 6618, 7056, 7721, 7840, 8820, 8824, 9927, 10080, 11030, 11760, 13236, 14112, 15442, 16545, 17640, 17648, 19854, 22060, 23163, 23520, 26472, 30884, 33090, 35280, 35296, 38605, 39708, 44120, 46326, 49635, 52944, 54047, 61768, 66180, 69489, 70560, 77210, 79416, 88240, 92652, 99270, 105888, 108094, 115815, 123536, 132360, 138978, 154420, 158832, 162141, 176480, 185304, 198540, 216188, 231630, 247072, 264720, 270235, 277956, 308840, 317664, 324282, 347445, 370608, 397080, 432376, 463260, 486423, 529440, 540470, 555912, 617680, 648564, 694890, 741216, 794160, 810705, 864752, 926520, 972846, 1080940, 1111824, 1235360, 1297128, 1389780, 1588320, 1621410, 1729504, 1853040, 1945692, 2161880, 2223648, 2432115, 2594256, 2779560, 3242820, 3706080, 3891384, 4323760, 4864230, 5188512, 5559120, 6485640, 7782768, 8647520, 9728460, 11118240, 12971280, 15565536, 19456920, 25942560, 38913840, 77827680]

約数ペア:

[(1, 77827680), (2, 38913840), (3, 25942560), (4, 19456920), (5, 15565536), (6, 12971280), (7, 11118240), (8, 9728460), (9, 8647520), (10, 7782768), (12, 6485640), (14, 5559120), (15, 5188512), (16, 4864230), (18, 4323760), (20, 3891384), (21, 3706080), (24, 3242820), (28, 2779560), (30, 2594256), (32, 2432115), (35, 2223648), (36, 2161880), (40, 1945692), (42, 1853040), (45, 1729504), (48, 1621410), (49, 1588320), (56, 1389780), (60, 1297128), (63, 1235360), (70, 1111824), (72, 1080940), (80, 972846), (84, 926520), (90, 864752), (96, 810705), (98, 794160), (105, 741216), (112, 694890), (120, 648564), (126, 617680), (140, 555912), (144, 540470), (147, 529440), (160, 486423), (168, 463260), (180, 432376), (196, 397080), (210, 370608), (224, 347445), (240, 324282), (245, 317664), (252, 308840), (280, 277956), (288, 270235), (294, 264720), (315, 247072), (336, 231630), (360, 216188), (392, 198540), (420, 185304), (441, 176480), (480, 162141), (490, 158832), (504, 154420), (560, 138978), (588, 132360), (630, 123536), (672, 115815), (720, 108094), (735, 105888), (784, 99270), (840, 92652), (882, 88240), (980, 79416), (1008, 77210), (1103, 70560), (1120, 69489), (1176, 66180), (1260, 61768), (1440, 54047), (1470, 52944), (1568, 49635), (1680, 46326), (1764, 44120), (1960, 39708), (2016, 38605), (2205, 35296), (2206, 35280), (2352, 33090), (2520, 30884), (2940, 26472), (3309, 23520), (3360, 23163), (3528, 22060), (3920, 19854), (4410, 17648), (4412, 17640), (4704, 16545), (5040, 15442), (5515, 14112), (5880, 13236), (6618, 11760), (7056, 11030), (7721, 10080), (7840, 9927), (8820, 8824)]