66809960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 115666840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 179, 215, 217, 248, 280, 301, 310, 344, 358, 430, 434, 602, 620, 716, 860, 868, 895, 1085, 1204, 1240, 1253, 1333, 1432, 1505, 1720, 1736, 1790, 2170, 2408, 2506, 2666, 3010, 3580, 4340, 5012, 5332, 5549, 6020, 6265, 6665, 7160, 7697, 8680, 9331, 10024, 10664, 11098, 12040, 12530, 13330, 15394, 18662, 22196, 25060, 26660, 27745, 30788, 37324, 38485, 38843, 44392, 46655, 50120, 53320, 53879, 55490, 61576, 74648, 76970, 77686, 93310, 107758, 110980, 153940, 155372, 186620, 194215, 215516, 221960, 238607, 269395, 307880, 310744, 373240, 388430, 431032, 477214, 538790, 776860, 954428, 1077580, 1193035, 1553720, 1670249, 1908856, 2155160, 2386070, 3340498, 4772140, 6680996, 8351245, 9544280, 13361992, 16702490, 33404980, 66809960]

約数ペア:

[(1, 66809960), (2, 33404980), (4, 16702490), (5, 13361992), (7, 9544280), (8, 8351245), (10, 6680996), (14, 4772140), (20, 3340498), (28, 2386070), (31, 2155160), (35, 1908856), (40, 1670249), (43, 1553720), (56, 1193035), (62, 1077580), (70, 954428), (86, 776860), (124, 538790), (140, 477214), (155, 431032), (172, 388430), (179, 373240), (215, 310744), (217, 307880), (248, 269395), (280, 238607), (301, 221960), (310, 215516), (344, 194215), (358, 186620), (430, 155372), (434, 153940), (602, 110980), (620, 107758), (716, 93310), (860, 77686), (868, 76970), (895, 74648), (1085, 61576), (1204, 55490), (1240, 53879), (1253, 53320), (1333, 50120), (1432, 46655), (1505, 44392), (1720, 38843), (1736, 38485), (1790, 37324), (2170, 30788), (2408, 27745), (2506, 26660), (2666, 25060), (3010, 22196), (3580, 18662), (4340, 15394), (5012, 13330), (5332, 12530), (5549, 12040), (6020, 11098), (6265, 10664), (6665, 10024), (7160, 9331), (7697, 8680)]