78904140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 192

約数和(自身を含む): 274627584

約数和(自身を除く): 195723444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 68, 70, 84, 85, 86, 102, 105, 119, 129, 140, 170, 172, 204, 210, 215, 238, 255, 257, 258, 301, 340, 357, 420, 430, 476, 510, 514, 516, 595, 602, 645, 714, 731, 771, 860, 903, 1020, 1028, 1190, 1204, 1285, 1290, 1428, 1462, 1505, 1542, 1785, 1799, 1806, 2193, 2380, 2570, 2580, 2924, 3010, 3084, 3570, 3598, 3612, 3655, 3855, 4369, 4386, 4515, 5117, 5140, 5397, 6020, 7140, 7196, 7310, 7710, 8738, 8772, 8995, 9030, 10234, 10794, 10965, 11051, 13107, 14620, 15351, 15420, 17476, 17990, 18060, 20468, 21588, 21845, 21930, 22102, 25585, 26214, 26985, 30583, 30702, 33153, 35980, 43690, 43860, 44204, 51170, 52428, 53970, 55255, 61166, 61404, 65535, 66306, 76755, 77357, 87380, 91749, 102340, 107940, 110510, 122332, 131070, 132612, 152915, 153510, 154714, 165765, 183498, 187867, 221020, 232071, 262140, 305830, 307020, 309428, 331530, 366996, 375734, 386785, 458745, 464142, 563601, 611660, 663060, 751468, 773570, 917490, 928284, 939335, 1127202, 1160355, 1315069, 1547140, 1834980, 1878670, 2254404, 2320710, 2630138, 2818005, 3757340, 3945207, 4641420, 5260276, 5636010, 6575345, 7890414, 11272020, 13150690, 15780828, 19726035, 26301380, 39452070, 78904140]

約数ペア:

[(1, 78904140), (2, 39452070), (3, 26301380), (4, 19726035), (5, 15780828), (6, 13150690), (7, 11272020), (10, 7890414), (12, 6575345), (14, 5636010), (15, 5260276), (17, 4641420), (20, 3945207), (21, 3757340), (28, 2818005), (30, 2630138), (34, 2320710), (35, 2254404), (42, 1878670), (43, 1834980), (51, 1547140), (60, 1315069), (68, 1160355), (70, 1127202), (84, 939335), (85, 928284), (86, 917490), (102, 773570), (105, 751468), (119, 663060), (129, 611660), (140, 563601), (170, 464142), (172, 458745), (204, 386785), (210, 375734), (215, 366996), (238, 331530), (255, 309428), (257, 307020), (258, 305830), (301, 262140), (340, 232071), (357, 221020), (420, 187867), (430, 183498), (476, 165765), (510, 154714), (514, 153510), (516, 152915), (595, 132612), (602, 131070), (645, 122332), (714, 110510), (731, 107940), (771, 102340), (860, 91749), (903, 87380), (1020, 77357), (1028, 76755), (1190, 66306), (1204, 65535), (1285, 61404), (1290, 61166), (1428, 55255), (1462, 53970), (1505, 52428), (1542, 51170), (1785, 44204), (1799, 43860), (1806, 43690), (2193, 35980), (2380, 33153), (2570, 30702), (2580, 30583), (2924, 26985), (3010, 26214), (3084, 25585), (3570, 22102), (3598, 21930), (3612, 21845), (3655, 21588), (3855, 20468), (4369, 18060), (4386, 17990), (4515, 17476), (5117, 15420), (5140, 15351), (5397, 14620), (6020, 13107), (7140, 11051), (7196, 10965), (7310, 10794), (7710, 10234), (8738, 9030), (8772, 8995)]