309494080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4512

約数の個数: 112

約数和(自身を含む): 869630976

約数和(自身を除く): 560136896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4457, 4960, 6944, 8680, 8914, 9920, 13888, 17360, 17828, 22285, 31199, 34720, 35656, 44570, 62398, 69440, 71312, 89140, 124796, 138167, 142624, 155995, 178280, 249592, 276334, 285248, 311990, 356560, 499184, 552668, 623980, 690835, 713120, 967169, 998368, 1105336, 1247960, 1381670, 1426240, 1934338, 1996736, 2210672, 2495920, 2763340, 3868676, 4421344, 4835845, 4991840, 5526680, 7737352, 8842688, 9671690, 9983680, 11053360, 15474704, 19343380, 22106720, 30949408, 38686760, 44213440, 61898816, 77373520, 154747040, 309494080]

約数ペア:

[(1, 309494080), (2, 154747040), (4, 77373520), (5, 61898816), (7, 44213440), (8, 38686760), (10, 30949408), (14, 22106720), (16, 19343380), (20, 15474704), (28, 11053360), (31, 9983680), (32, 9671690), (35, 8842688), (40, 7737352), (56, 5526680), (62, 4991840), (64, 4835845), (70, 4421344), (80, 3868676), (112, 2763340), (124, 2495920), (140, 2210672), (155, 1996736), (160, 1934338), (217, 1426240), (224, 1381670), (248, 1247960), (280, 1105336), (310, 998368), (320, 967169), (434, 713120), (448, 690835), (496, 623980), (560, 552668), (620, 499184), (868, 356560), (992, 311990), (1085, 285248), (1120, 276334), (1240, 249592), (1736, 178280), (1984, 155995), (2170, 142624), (2240, 138167), (2480, 124796), (3472, 89140), (4340, 71312), (4457, 69440), (4960, 62398), (6944, 44570), (8680, 35656), (8914, 34720), (9920, 31199), (13888, 22285), (17360, 17828)]