25680060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 90417600

約数和(自身を除く): 64737540

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, 89, 90, 105, 126, 140, 178, 180, 210, 229, 252, 267, 315, 356, 420, 445, 458, 534, 623, 630, 687, 801, 890, 916, 1068, 1145, 1246, 1260, 1335, 1374, 1602, 1603, 1780, 1869, 2061, 2290, 2492, 2670, 2748, 3115, 3204, 3206, 3435, 3738, 4005, 4122, 4580, 4809, 5340, 5607, 6230, 6412, 6870, 7476, 8010, 8015, 8244, 9345, 9618, 10305, 11214, 12460, 13740, 14427, 16020, 16030, 18690, 19236, 20381, 20610, 22428, 24045, 28035, 28854, 32060, 37380, 40762, 41220, 48090, 56070, 57708, 61143, 72135, 81524, 96180, 101905, 112140, 122286, 142667, 144270, 183429, 203810, 244572, 285334, 288540, 305715, 366858, 407620, 428001, 570668, 611430, 713335, 733716, 856002, 917145, 1222860, 1284003, 1426670, 1712004, 1834290, 2140005, 2568006, 2853340, 3668580, 4280010, 5136012, 6420015, 8560020, 12840030, 25680060]

約数ペア:

[(1, 25680060), (2, 12840030), (3, 8560020), (4, 6420015), (5, 5136012), (6, 4280010), (7, 3668580), (9, 2853340), (10, 2568006), (12, 2140005), (14, 1834290), (15, 1712004), (18, 1426670), (20, 1284003), (21, 1222860), (28, 917145), (30, 856002), (35, 733716), (36, 713335), (42, 611430), (45, 570668), (60, 428001), (63, 407620), (70, 366858), (84, 305715), (89, 288540), (90, 285334), (105, 244572), (126, 203810), (140, 183429), (178, 144270), (180, 142667), (210, 122286), (229, 112140), (252, 101905), (267, 96180), (315, 81524), (356, 72135), (420, 61143), (445, 57708), (458, 56070), (534, 48090), (623, 41220), (630, 40762), (687, 37380), (801, 32060), (890, 28854), (916, 28035), (1068, 24045), (1145, 22428), (1246, 20610), (1260, 20381), (1335, 19236), (1374, 18690), (1602, 16030), (1603, 16020), (1780, 14427), (1869, 13740), (2061, 12460), (2290, 11214), (2492, 10305), (2670, 9618), (2748, 9345), (3115, 8244), (3204, 8015), (3206, 8010), (3435, 7476), (3738, 6870), (4005, 6412), (4122, 6230), (4580, 5607), (4809, 5340)]