122753820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 409546368

約数和(自身を除く): 286792548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 971, 980, 1204, 1290, 1470, 1505, 1806, 1942, 2107, 2580, 2913, 2940, 3010, 3612, 3884, 4214, 4515, 4855, 5826, 6020, 6321, 6797, 8428, 9030, 9710, 10535, 11652, 12642, 13594, 14565, 18060, 19420, 20391, 21070, 25284, 27188, 29130, 31605, 33985, 40782, 41753, 42140, 47579, 58260, 63210, 67970, 81564, 83506, 95158, 101955, 125259, 126420, 135940, 142737, 167012, 190316, 203910, 208765, 237895, 250518, 285474, 292271, 407820, 417530, 475790, 501036, 570948, 584542, 626295, 713685, 835060, 876813, 951580, 1169084, 1252590, 1427370, 1461355, 1753626, 2045897, 2505180, 2854740, 2922710, 3507252, 4091794, 4384065, 5845420, 6137691, 8183588, 8768130, 10229485, 12275382, 17536260, 20458970, 24550764, 30688455, 40917940, 61376910, 122753820]

約数ペア:

[(1, 122753820), (2, 61376910), (3, 40917940), (4, 30688455), (5, 24550764), (6, 20458970), (7, 17536260), (10, 12275382), (12, 10229485), (14, 8768130), (15, 8183588), (20, 6137691), (21, 5845420), (28, 4384065), (30, 4091794), (35, 3507252), (42, 2922710), (43, 2854740), (49, 2505180), (60, 2045897), (70, 1753626), (84, 1461355), (86, 1427370), (98, 1252590), (105, 1169084), (129, 951580), (140, 876813), (147, 835060), (172, 713685), (196, 626295), (210, 584542), (215, 570948), (245, 501036), (258, 475790), (294, 417530), (301, 407820), (420, 292271), (430, 285474), (490, 250518), (516, 237895), (588, 208765), (602, 203910), (645, 190316), (735, 167012), (860, 142737), (903, 135940), (971, 126420), (980, 125259), (1204, 101955), (1290, 95158), (1470, 83506), (1505, 81564), (1806, 67970), (1942, 63210), (2107, 58260), (2580, 47579), (2913, 42140), (2940, 41753), (3010, 40782), (3612, 33985), (3884, 31605), (4214, 29130), (4515, 27188), (4855, 25284), (5826, 21070), (6020, 20391), (6321, 19420), (6797, 18060), (8428, 14565), (9030, 13594), (9710, 12642), (10535, 11652)]