172740120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8941}}^1$

素因数の和:8985

約数の個数: 128

約数和(自身を含む): 618071040

約数和(自身を除く): 445330920

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, 8941, 9660, 17882, 19320, 26823, 35764, 44705, 53646, 62587, 71528, 89410, 107292, 125174, 134115, 178820, 187761, 205643, 214584, 250348, 268230, 312935, 357640, 375522, 411286, 500696, 536460, 616929, 625870, 751044, 822572, 938805, 1028215, 1072920, 1233858, 1251740, 1439501, 1502088, 1645144, 1877610, 2056430, 2467716, 2503480, 2879002, 3084645, 3755220, 4112860, 4318503, 4935432, 5758004, 6169290, 7197505, 7510440, 8225720, 8637006, 11516008, 12338580, 14395010, 17274012, 21592515, 24677160, 28790020, 34548024, 43185030, 57580040, 86370060, 172740120]

約数ペア:

[(1, 172740120), (2, 86370060), (3, 57580040), (4, 43185030), (5, 34548024), (6, 28790020), (7, 24677160), (8, 21592515), (10, 17274012), (12, 14395010), (14, 12338580), (15, 11516008), (20, 8637006), (21, 8225720), (23, 7510440), (24, 7197505), (28, 6169290), (30, 5758004), (35, 4935432), (40, 4318503), (42, 4112860), (46, 3755220), (56, 3084645), (60, 2879002), (69, 2503480), (70, 2467716), (84, 2056430), (92, 1877610), (105, 1645144), (115, 1502088), (120, 1439501), (138, 1251740), (140, 1233858), (161, 1072920), (168, 1028215), (184, 938805), (210, 822572), (230, 751044), (276, 625870), (280, 616929), (322, 536460), (345, 500696), (420, 411286), (460, 375522), (483, 357640), (552, 312935), (644, 268230), (690, 250348), (805, 214584), (840, 205643), (920, 187761), (966, 178820), (1288, 134115), (1380, 125174), (1610, 107292), (1932, 89410), (2415, 71528), (2760, 62587), (3220, 53646), (3864, 44705), (4830, 35764), (6440, 26823), (8941, 19320), (9660, 17882)]