780228120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21601}}^1$

素因数の和:21665

約数の個数: 128

約数和(自身を含む): 2737405440

約数和(自身を除く): 1957177320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 18060, 21601, 36120, 43202, 64803, 86404, 108005, 129606, 151207, 172808, 216010, 259212, 302414, 324015, 432020, 453621, 518424, 604828, 648030, 756035, 864040, 907242, 928843, 1209656, 1296060, 1512070, 1814484, 1857686, 2268105, 2592120, 2786529, 3024140, 3628968, 3715372, 4536210, 4644215, 5573058, 6048280, 6501901, 7430744, 9072420, 9288430, 11146116, 13003802, 13932645, 18144840, 18576860, 19505703, 22292232, 26007604, 27865290, 32509505, 37153720, 39011406, 52015208, 55730580, 65019010, 78022812, 97528515, 111461160, 130038020, 156045624, 195057030, 260076040, 390114060, 780228120]

約数ペア:

[(1, 780228120), (2, 390114060), (3, 260076040), (4, 195057030), (5, 156045624), (6, 130038020), (7, 111461160), (8, 97528515), (10, 78022812), (12, 65019010), (14, 55730580), (15, 52015208), (20, 39011406), (21, 37153720), (24, 32509505), (28, 27865290), (30, 26007604), (35, 22292232), (40, 19505703), (42, 18576860), (43, 18144840), (56, 13932645), (60, 13003802), (70, 11146116), (84, 9288430), (86, 9072420), (105, 7430744), (120, 6501901), (129, 6048280), (140, 5573058), (168, 4644215), (172, 4536210), (210, 3715372), (215, 3628968), (258, 3024140), (280, 2786529), (301, 2592120), (344, 2268105), (420, 1857686), (430, 1814484), (516, 1512070), (602, 1296060), (645, 1209656), (840, 928843), (860, 907242), (903, 864040), (1032, 756035), (1204, 648030), (1290, 604828), (1505, 518424), (1720, 453621), (1806, 432020), (2408, 324015), (2580, 302414), (3010, 259212), (3612, 216010), (4515, 172808), (5160, 151207), (6020, 129606), (7224, 108005), (9030, 86404), (12040, 64803), (18060, 43202), (21601, 36120)]