28382580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 93213120

約数和(自身を除く): 64830540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 193, 215, 228, 258, 285, 342, 380, 386, 387, 430, 516, 570, 579, 645, 684, 772, 774, 817, 855, 860, 965, 1140, 1158, 1290, 1548, 1634, 1710, 1737, 1930, 1935, 2316, 2451, 2580, 2895, 3268, 3420, 3474, 3667, 3860, 3870, 4085, 4902, 5790, 6948, 7334, 7353, 7740, 8170, 8299, 8685, 9804, 11001, 11580, 12255, 14668, 14706, 16340, 16598, 17370, 18335, 22002, 24510, 24897, 29412, 33003, 33196, 34740, 36670, 36765, 41495, 44004, 49020, 49794, 55005, 66006, 73340, 73530, 74691, 82990, 99588, 110010, 124485, 132012, 147060, 149382, 157681, 165015, 165980, 220020, 248970, 298764, 315362, 330030, 373455, 473043, 497940, 630724, 660060, 746910, 788405, 946086, 1419129, 1493820, 1576810, 1892172, 2365215, 2838258, 3153620, 4730430, 5676516, 7095645, 9460860, 14191290, 28382580]

約数ペア:

[(1, 28382580), (2, 14191290), (3, 9460860), (4, 7095645), (5, 5676516), (6, 4730430), (9, 3153620), (10, 2838258), (12, 2365215), (15, 1892172), (18, 1576810), (19, 1493820), (20, 1419129), (30, 946086), (36, 788405), (38, 746910), (43, 660060), (45, 630724), (57, 497940), (60, 473043), (76, 373455), (86, 330030), (90, 315362), (95, 298764), (114, 248970), (129, 220020), (171, 165980), (172, 165015), (180, 157681), (190, 149382), (193, 147060), (215, 132012), (228, 124485), (258, 110010), (285, 99588), (342, 82990), (380, 74691), (386, 73530), (387, 73340), (430, 66006), (516, 55005), (570, 49794), (579, 49020), (645, 44004), (684, 41495), (772, 36765), (774, 36670), (817, 34740), (855, 33196), (860, 33003), (965, 29412), (1140, 24897), (1158, 24510), (1290, 22002), (1548, 18335), (1634, 17370), (1710, 16598), (1737, 16340), (1930, 14706), (1935, 14668), (2316, 12255), (2451, 11580), (2580, 11001), (2895, 9804), (3268, 8685), (3420, 8299), (3474, 8170), (3667, 7740), (3860, 7353), (3870, 7334), (4085, 6948), (4902, 5790)]