18296040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 128

約数和(自身を含む): 65525760

約数和(自身を除く): 47229720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 947, 966, 1288, 1380, 1610, 1894, 1932, 2415, 2760, 2841, 3220, 3788, 3864, 4735, 4830, 5682, 6440, 6629, 7576, 9470, 9660, 11364, 13258, 14205, 18940, 19320, 19887, 21781, 22728, 26516, 28410, 33145, 37880, 39774, 43562, 53032, 56820, 65343, 66290, 79548, 87124, 99435, 108905, 113640, 130686, 132580, 152467, 159096, 174248, 198870, 217810, 261372, 265160, 304934, 326715, 397740, 435620, 457401, 522744, 609868, 653430, 762335, 795480, 871240, 914802, 1219736, 1306860, 1524670, 1829604, 2287005, 2613720, 3049340, 3659208, 4574010, 6098680, 9148020, 18296040]

約数ペア:

[(1, 18296040), (2, 9148020), (3, 6098680), (4, 4574010), (5, 3659208), (6, 3049340), (7, 2613720), (8, 2287005), (10, 1829604), (12, 1524670), (14, 1306860), (15, 1219736), (20, 914802), (21, 871240), (23, 795480), (24, 762335), (28, 653430), (30, 609868), (35, 522744), (40, 457401), (42, 435620), (46, 397740), (56, 326715), (60, 304934), (69, 265160), (70, 261372), (84, 217810), (92, 198870), (105, 174248), (115, 159096), (120, 152467), (138, 132580), (140, 130686), (161, 113640), (168, 108905), (184, 99435), (210, 87124), (230, 79548), (276, 66290), (280, 65343), (322, 56820), (345, 53032), (420, 43562), (460, 39774), (483, 37880), (552, 33145), (644, 28410), (690, 26516), (805, 22728), (840, 21781), (920, 19887), (947, 19320), (966, 18940), (1288, 14205), (1380, 13258), (1610, 11364), (1894, 9660), (1932, 9470), (2415, 7576), (2760, 6629), (2841, 6440), (3220, 5682), (3788, 4830), (3864, 4735)]