27804840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 68963160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 419, 420, 474, 553, 632, 790, 838, 840, 948, 1106, 1185, 1257, 1580, 1659, 1676, 1896, 2095, 2212, 2370, 2514, 2765, 2933, 3160, 3318, 3352, 4190, 4424, 4740, 5028, 5530, 5866, 6285, 6636, 8295, 8380, 8799, 9480, 10056, 11060, 11732, 12570, 13272, 14665, 16590, 16760, 17598, 22120, 23464, 25140, 29330, 33101, 33180, 35196, 43995, 50280, 58660, 66202, 66360, 70392, 87990, 99303, 117320, 132404, 165505, 175980, 198606, 231707, 264808, 331010, 351960, 397212, 463414, 496515, 662020, 695121, 794424, 926828, 993030, 1158535, 1324040, 1390242, 1853656, 1986060, 2317070, 2780484, 3475605, 3972120, 4634140, 5560968, 6951210, 9268280, 13902420, 27804840]

約数ペア:

[(1, 27804840), (2, 13902420), (3, 9268280), (4, 6951210), (5, 5560968), (6, 4634140), (7, 3972120), (8, 3475605), (10, 2780484), (12, 2317070), (14, 1986060), (15, 1853656), (20, 1390242), (21, 1324040), (24, 1158535), (28, 993030), (30, 926828), (35, 794424), (40, 695121), (42, 662020), (56, 496515), (60, 463414), (70, 397212), (79, 351960), (84, 331010), (105, 264808), (120, 231707), (140, 198606), (158, 175980), (168, 165505), (210, 132404), (237, 117320), (280, 99303), (316, 87990), (395, 70392), (419, 66360), (420, 66202), (474, 58660), (553, 50280), (632, 43995), (790, 35196), (838, 33180), (840, 33101), (948, 29330), (1106, 25140), (1185, 23464), (1257, 22120), (1580, 17598), (1659, 16760), (1676, 16590), (1896, 14665), (2095, 13272), (2212, 12570), (2370, 11732), (2514, 11060), (2765, 10056), (2933, 9480), (3160, 8799), (3318, 8380), (3352, 8295), (4190, 6636), (4424, 6285), (4740, 5866), (5028, 5530)]