91875280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{457}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 245341440

約数和(自身を除く): 153466160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 359, 457, 560, 718, 914, 1436, 1795, 1828, 2285, 2513, 2872, 3199, 3590, 3656, 4570, 5026, 5744, 6398, 7180, 7312, 9140, 10052, 12565, 12796, 14360, 15995, 18280, 20104, 25130, 25592, 28720, 31990, 36560, 40208, 50260, 51184, 63980, 100520, 127960, 164063, 201040, 255920, 328126, 656252, 820315, 1148441, 1312504, 1640630, 2296882, 2625008, 3281260, 4593764, 5742205, 6562520, 9187528, 11484410, 13125040, 18375056, 22968820, 45937640, 91875280]

約数ペア:

[(1, 91875280), (2, 45937640), (4, 22968820), (5, 18375056), (7, 13125040), (8, 11484410), (10, 9187528), (14, 6562520), (16, 5742205), (20, 4593764), (28, 3281260), (35, 2625008), (40, 2296882), (56, 1640630), (70, 1312504), (80, 1148441), (112, 820315), (140, 656252), (280, 328126), (359, 255920), (457, 201040), (560, 164063), (718, 127960), (914, 100520), (1436, 63980), (1795, 51184), (1828, 50260), (2285, 40208), (2513, 36560), (2872, 31990), (3199, 28720), (3590, 25592), (3656, 25130), (4570, 20104), (5026, 18280), (5744, 15995), (6398, 14360), (7180, 12796), (7312, 12565), (9140, 10052)]