678889160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^2$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 1643526720

約数和(自身を除く): 964637560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 131, 172, 184, 215, 230, 262, 344, 430, 460, 524, 655, 860, 920, 989, 1048, 1310, 1720, 1978, 2620, 3013, 3956, 4945, 5240, 5633, 6026, 7912, 9890, 11266, 12052, 15065, 17161, 19780, 22532, 24104, 28165, 30130, 34322, 39560, 45064, 56330, 60260, 68644, 85805, 112660, 120520, 129559, 137288, 171610, 225320, 259118, 343220, 394703, 518236, 647795, 686440, 737923, 789406, 1036472, 1295590, 1475846, 1578812, 1973515, 2591180, 2951692, 3157624, 3689615, 3947030, 5182360, 5903384, 7379230, 7894060, 14758460, 15788120, 16972229, 29516920, 33944458, 67888916, 84861145, 135777832, 169722290, 339444580, 678889160]

約数ペア:

[(1, 678889160), (2, 339444580), (4, 169722290), (5, 135777832), (8, 84861145), (10, 67888916), (20, 33944458), (23, 29516920), (40, 16972229), (43, 15788120), (46, 14758460), (86, 7894060), (92, 7379230), (115, 5903384), (131, 5182360), (172, 3947030), (184, 3689615), (215, 3157624), (230, 2951692), (262, 2591180), (344, 1973515), (430, 1578812), (460, 1475846), (524, 1295590), (655, 1036472), (860, 789406), (920, 737923), (989, 686440), (1048, 647795), (1310, 518236), (1720, 394703), (1978, 343220), (2620, 259118), (3013, 225320), (3956, 171610), (4945, 137288), (5240, 129559), (5633, 120520), (6026, 112660), (7912, 85805), (9890, 68644), (11266, 60260), (12052, 56330), (15065, 45064), (17161, 39560), (19780, 34322), (22532, 30130), (24104, 28165)]