64979880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 232943040

約数和(自身を除く): 167963160

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, 257, 258, 280, 294, 301, 344, 392, 420, 430, 490, 514, 516, 588, 602, 645, 735, 771, 840, 860, 903, 980, 1028, 1032, 1176, 1204, 1285, 1290, 1470, 1505, 1542, 1720, 1799, 1806, 1960, 2056, 2107, 2408, 2570, 2580, 2940, 3010, 3084, 3598, 3612, 3855, 4214, 4515, 5140, 5160, 5397, 5880, 6020, 6168, 6321, 7196, 7224, 7710, 8428, 8995, 9030, 10280, 10535, 10794, 11051, 12040, 12593, 12642, 14392, 15420, 16856, 17990, 18060, 21070, 21588, 22102, 25186, 25284, 26985, 30840, 31605, 33153, 35980, 36120, 37779, 42140, 43176, 44204, 50372, 50568, 53970, 55255, 62965, 63210, 66306, 71960, 75558, 77357, 84280, 88408, 100744, 107940, 110510, 125930, 126420, 132612, 151116, 154714, 165765, 188895, 215880, 221020, 232071, 251860, 252840, 265224, 302232, 309428, 331530, 377790, 386785, 442040, 464142, 503720, 541499, 618856, 663060, 755580, 773570, 928284, 1082998, 1160355, 1326120, 1511160, 1547140, 1624497, 1856568, 2165996, 2320710, 2707495, 3094280, 3248994, 4331992, 4641420, 5414990, 6497988, 8122485, 9282840, 10829980, 12995976, 16244970, 21659960, 32489940, 64979880]

約数ペア:

[(1, 64979880), (2, 32489940), (3, 21659960), (4, 16244970), (5, 12995976), (6, 10829980), (7, 9282840), (8, 8122485), (10, 6497988), (12, 5414990), (14, 4641420), (15, 4331992), (20, 3248994), (21, 3094280), (24, 2707495), (28, 2320710), (30, 2165996), (35, 1856568), (40, 1624497), (42, 1547140), (43, 1511160), (49, 1326120), (56, 1160355), (60, 1082998), (70, 928284), (84, 773570), (86, 755580), (98, 663060), (105, 618856), (120, 541499), (129, 503720), (140, 464142), (147, 442040), (168, 386785), (172, 377790), (196, 331530), (210, 309428), (215, 302232), (245, 265224), (257, 252840), (258, 251860), (280, 232071), (294, 221020), (301, 215880), (344, 188895), (392, 165765), (420, 154714), (430, 151116), (490, 132612), (514, 126420), (516, 125930), (588, 110510), (602, 107940), (645, 100744), (735, 88408), (771, 84280), (840, 77357), (860, 75558), (903, 71960), (980, 66306), (1028, 63210), (1032, 62965), (1176, 55255), (1204, 53970), (1285, 50568), (1290, 50372), (1470, 44204), (1505, 43176), (1542, 42140), (1720, 37779), (1799, 36120), (1806, 35980), (1960, 33153), (2056, 31605), (2107, 30840), (2408, 26985), (2570, 25284), (2580, 25186), (2940, 22102), (3010, 21588), (3084, 21070), (3598, 18060), (3612, 17990), (3855, 16856), (4214, 15420), (4515, 14392), (5140, 12642), (5160, 12593), (5397, 12040), (5880, 11051), (6020, 10794), (6168, 10535), (6321, 10280), (7196, 9030), (7224, 8995), (7710, 8428)]