407671320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21101}}^1$

素因数の和:21145

約数の個数: 128

約数和(自身を含む): 1458570240

約数和(自身を除く): 1050898920

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, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 21101, 42202, 63303, 84404, 105505, 126606, 147707, 168808, 211010, 253212, 295414, 316515, 422020, 443121, 485323, 506424, 590828, 633030, 738535, 844040, 886242, 970646, 1181656, 1266060, 1455969, 1477070, 1772484, 1941292, 2215605, 2426615, 2532120, 2911938, 2954140, 3397261, 3544968, 3882584, 4431210, 4853230, 5823876, 5908280, 6794522, 7279845, 8862420, 9706460, 10191783, 11647752, 13589044, 14559690, 16986305, 17724840, 19412920, 20383566, 27178088, 29119380, 33972610, 40767132, 50958915, 58238760, 67945220, 81534264, 101917830, 135890440, 203835660, 407671320]

約数ペア:

[(1, 407671320), (2, 203835660), (3, 135890440), (4, 101917830), (5, 81534264), (6, 67945220), (7, 58238760), (8, 50958915), (10, 40767132), (12, 33972610), (14, 29119380), (15, 27178088), (20, 20383566), (21, 19412920), (23, 17724840), (24, 16986305), (28, 14559690), (30, 13589044), (35, 11647752), (40, 10191783), (42, 9706460), (46, 8862420), (56, 7279845), (60, 6794522), (69, 5908280), (70, 5823876), (84, 4853230), (92, 4431210), (105, 3882584), (115, 3544968), (120, 3397261), (138, 2954140), (140, 2911938), (161, 2532120), (168, 2426615), (184, 2215605), (210, 1941292), (230, 1772484), (276, 1477070), (280, 1455969), (322, 1266060), (345, 1181656), (420, 970646), (460, 886242), (483, 844040), (552, 738535), (644, 633030), (690, 590828), (805, 506424), (840, 485323), (920, 443121), (966, 422020), (1288, 316515), (1380, 295414), (1610, 253212), (1932, 211010), (2415, 168808), (2760, 147707), (3220, 126606), (3864, 105505), (4830, 84404), (6440, 63303), (9660, 42202), (19320, 21101)]