249560820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1774

約数の個数: 144

約数和(自身を含む): 815855040

約数和(自身を除く): 566294220

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, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1290, 1548, 1634, 1697, 1710, 1935, 2451, 2580, 3268, 3394, 3420, 3870, 4085, 4902, 5091, 6788, 7353, 7740, 8170, 8485, 9804, 10182, 12255, 14706, 15273, 16340, 16970, 20364, 24510, 25455, 29412, 30546, 32243, 33940, 36765, 49020, 50910, 61092, 64486, 72971, 73530, 76365, 96729, 101820, 128972, 145942, 147060, 152730, 161215, 193458, 218913, 290187, 291884, 305460, 322430, 364855, 386916, 437826, 483645, 580374, 644860, 656739, 729710, 875652, 967290, 1094565, 1160748, 1313478, 1386449, 1450935, 1459420, 1934580, 2189130, 2626956, 2772898, 2901870, 3283695, 4159347, 4378260, 5545796, 5803740, 6567390, 6932245, 8318694, 12478041, 13134780, 13864490, 16637388, 20796735, 24956082, 27728980, 41593470, 49912164, 62390205, 83186940, 124780410, 249560820]

約数ペア:

[(1, 249560820), (2, 124780410), (3, 83186940), (4, 62390205), (5, 49912164), (6, 41593470), (9, 27728980), (10, 24956082), (12, 20796735), (15, 16637388), (18, 13864490), (19, 13134780), (20, 12478041), (30, 8318694), (36, 6932245), (38, 6567390), (43, 5803740), (45, 5545796), (57, 4378260), (60, 4159347), (76, 3283695), (86, 2901870), (90, 2772898), (95, 2626956), (114, 2189130), (129, 1934580), (171, 1459420), (172, 1450935), (180, 1386449), (190, 1313478), (215, 1160748), (228, 1094565), (258, 967290), (285, 875652), (342, 729710), (380, 656739), (387, 644860), (430, 580374), (516, 483645), (570, 437826), (645, 386916), (684, 364855), (774, 322430), (817, 305460), (855, 291884), (860, 290187), (1140, 218913), (1290, 193458), (1548, 161215), (1634, 152730), (1697, 147060), (1710, 145942), (1935, 128972), (2451, 101820), (2580, 96729), (3268, 76365), (3394, 73530), (3420, 72971), (3870, 64486), (4085, 61092), (4902, 50910), (5091, 49020), (6788, 36765), (7353, 33940), (7740, 32243), (8170, 30546), (8485, 29412), (9804, 25455), (10182, 24510), (12255, 20364), (14706, 16970), (15273, 16340)]