321120240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{191143}}^1$

素因数の和:191166

約数の個数: 80

約数和(自身を含む): 1137689088

約数和(自身を除く): 816568848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 191143, 382286, 573429, 764572, 955715, 1146858, 1338001, 1529144, 1911430, 2293716, 2676002, 2867145, 3058288, 3822860, 4014003, 4587432, 5352004, 5734290, 6690005, 7645720, 8028006, 9174864, 10704008, 11468580, 13380010, 15291440, 16056012, 20070015, 21408016, 22937160, 26760020, 32112024, 40140030, 45874320, 53520040, 64224048, 80280060, 107040080, 160560120, 321120240]

約数ペア:

[(1, 321120240), (2, 160560120), (3, 107040080), (4, 80280060), (5, 64224048), (6, 53520040), (7, 45874320), (8, 40140030), (10, 32112024), (12, 26760020), (14, 22937160), (15, 21408016), (16, 20070015), (20, 16056012), (21, 15291440), (24, 13380010), (28, 11468580), (30, 10704008), (35, 9174864), (40, 8028006), (42, 7645720), (48, 6690005), (56, 5734290), (60, 5352004), (70, 4587432), (80, 4014003), (84, 3822860), (105, 3058288), (112, 2867145), (120, 2676002), (140, 2293716), (168, 1911430), (210, 1529144), (240, 1338001), (280, 1146858), (336, 955715), (420, 764572), (560, 573429), (840, 382286), (1680, 191143)]