260776040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 695520000

約数和(自身を除く): 434743960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 140, 166, 196, 229, 245, 280, 332, 343, 392, 415, 458, 490, 581, 664, 686, 830, 916, 980, 1145, 1162, 1372, 1603, 1660, 1715, 1832, 1960, 2290, 2324, 2744, 2905, 3206, 3320, 3430, 4067, 4580, 4648, 5810, 6412, 6860, 8015, 8134, 9160, 11221, 11620, 12824, 13720, 16030, 16268, 19007, 20335, 22442, 23240, 28469, 32060, 32536, 38014, 40670, 44884, 56105, 56938, 64120, 76028, 78547, 81340, 89768, 95035, 112210, 113876, 133049, 142345, 152056, 157094, 162680, 190070, 224420, 227752, 266098, 284690, 314188, 380140, 392735, 448840, 532196, 569380, 628376, 665245, 760280, 785470, 931343, 1064392, 1138760, 1330490, 1570940, 1862686, 2660980, 3141880, 3725372, 4656715, 5321960, 6519401, 7450744, 9313430, 13038802, 18626860, 26077604, 32597005, 37253720, 52155208, 65194010, 130388020, 260776040]

約数ペア:

[(1, 260776040), (2, 130388020), (4, 65194010), (5, 52155208), (7, 37253720), (8, 32597005), (10, 26077604), (14, 18626860), (20, 13038802), (28, 9313430), (35, 7450744), (40, 6519401), (49, 5321960), (56, 4656715), (70, 3725372), (83, 3141880), (98, 2660980), (140, 1862686), (166, 1570940), (196, 1330490), (229, 1138760), (245, 1064392), (280, 931343), (332, 785470), (343, 760280), (392, 665245), (415, 628376), (458, 569380), (490, 532196), (581, 448840), (664, 392735), (686, 380140), (830, 314188), (916, 284690), (980, 266098), (1145, 227752), (1162, 224420), (1372, 190070), (1603, 162680), (1660, 157094), (1715, 152056), (1832, 142345), (1960, 133049), (2290, 113876), (2324, 112210), (2744, 95035), (2905, 89768), (3206, 81340), (3320, 78547), (3430, 76028), (4067, 64120), (4580, 56938), (4648, 56105), (5810, 44884), (6412, 40670), (6860, 38014), (8015, 32536), (8134, 32060), (9160, 28469), (11221, 23240), (11620, 22442), (12824, 20335), (13720, 19007), (16030, 16268)]