245507640

素因数分解:

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

素因数の和:1042

約数の個数: 192

約数和(自身を含む): 877599360

約数和(自身を除く): 632091720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 120, 129, 140, 147, 168, 172, 196, 210, 215, 245, 258, 280, 294, 301, 344, 392, 420, 430, 490, 516, 588, 602, 645, 735, 840, 860, 903, 971, 980, 1032, 1176, 1204, 1290, 1470, 1505, 1720, 1806, 1942, 1960, 2107, 2408, 2580, 2913, 2940, 3010, 3612, 3884, 4214, 4515, 4855, 5160, 5826, 5880, 6020, 6321, 6797, 7224, 7768, 8428, 9030, 9710, 10535, 11652, 12040, 12642, 13594, 14565, 16856, 18060, 19420, 20391, 21070, 23304, 25284, 27188, 29130, 31605, 33985, 36120, 38840, 40782, 41753, 42140, 47579, 50568, 54376, 58260, 63210, 67970, 81564, 83506, 84280, 95158, 101955, 116520, 125259, 126420, 135940, 142737, 163128, 167012, 190316, 203910, 208765, 237895, 250518, 252840, 271880, 285474, 292271, 334024, 380632, 407820, 417530, 475790, 501036, 570948, 584542, 626295, 713685, 815640, 835060, 876813, 951580, 1002072, 1141896, 1169084, 1252590, 1427370, 1461355, 1670120, 1753626, 1903160, 2045897, 2338168, 2505180, 2854740, 2922710, 3507252, 4091794, 4384065, 5010360, 5709480, 5845420, 6137691, 7014504, 8183588, 8768130, 10229485, 11690840, 12275382, 16367176, 17536260, 20458970, 24550764, 30688455, 35072520, 40917940, 49101528, 61376910, 81835880, 122753820, 245507640]

約数ペア:

[(1, 245507640), (2, 122753820), (3, 81835880), (4, 61376910), (5, 49101528), (6, 40917940), (7, 35072520), (8, 30688455), (10, 24550764), (12, 20458970), (14, 17536260), (15, 16367176), (20, 12275382), (21, 11690840), (24, 10229485), (28, 8768130), (30, 8183588), (35, 7014504), (40, 6137691), (42, 5845420), (43, 5709480), (49, 5010360), (56, 4384065), (60, 4091794), (70, 3507252), (84, 2922710), (86, 2854740), (98, 2505180), (105, 2338168), (120, 2045897), (129, 1903160), (140, 1753626), (147, 1670120), (168, 1461355), (172, 1427370), (196, 1252590), (210, 1169084), (215, 1141896), (245, 1002072), (258, 951580), (280, 876813), (294, 835060), (301, 815640), (344, 713685), (392, 626295), (420, 584542), (430, 570948), (490, 501036), (516, 475790), (588, 417530), (602, 407820), (645, 380632), (735, 334024), (840, 292271), (860, 285474), (903, 271880), (971, 252840), (980, 250518), (1032, 237895), (1176, 208765), (1204, 203910), (1290, 190316), (1470, 167012), (1505, 163128), (1720, 142737), (1806, 135940), (1942, 126420), (1960, 125259), (2107, 116520), (2408, 101955), (2580, 95158), (2913, 84280), (2940, 83506), (3010, 81564), (3612, 67970), (3884, 63210), (4214, 58260), (4515, 54376), (4855, 50568), (5160, 47579), (5826, 42140), (5880, 41753), (6020, 40782), (6321, 38840), (6797, 36120), (7224, 33985), (7768, 31605), (8428, 29130), (9030, 27188), (9710, 25284), (10535, 23304), (11652, 21070), (12040, 20391), (12642, 19420), (13594, 18060), (14565, 16856)]