215273610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 613435680

約数和(自身を除く): 398162070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 131, 155, 171, 186, 190, 262, 279, 285, 310, 342, 393, 465, 558, 570, 589, 655, 786, 855, 930, 961, 1178, 1179, 1310, 1395, 1710, 1767, 1922, 1965, 2358, 2489, 2790, 2883, 2945, 3534, 3930, 4061, 4805, 4978, 5301, 5766, 5890, 5895, 7467, 8122, 8649, 8835, 9610, 10602, 11790, 12183, 12445, 14415, 14934, 17298, 17670, 18259, 20305, 22401, 24366, 24890, 26505, 28830, 36518, 36549, 37335, 40610, 43245, 44802, 53010, 54777, 60915, 73098, 74670, 77159, 86490, 91295, 109554, 112005, 121830, 125891, 154318, 164331, 182590, 182745, 224010, 231477, 251782, 273885, 328662, 365490, 377673, 385795, 462954, 547770, 629455, 694431, 755346, 771590, 821655, 1133019, 1157385, 1258910, 1388862, 1643310, 1888365, 2266038, 2314770, 2391929, 3472155, 3776730, 4783858, 5665095, 6944310, 7175787, 11330190, 11959645, 14351574, 21527361, 23919290, 35878935, 43054722, 71757870, 107636805, 215273610]

約数ペア:

[(1, 215273610), (2, 107636805), (3, 71757870), (5, 43054722), (6, 35878935), (9, 23919290), (10, 21527361), (15, 14351574), (18, 11959645), (19, 11330190), (30, 7175787), (31, 6944310), (38, 5665095), (45, 4783858), (57, 3776730), (62, 3472155), (90, 2391929), (93, 2314770), (95, 2266038), (114, 1888365), (131, 1643310), (155, 1388862), (171, 1258910), (186, 1157385), (190, 1133019), (262, 821655), (279, 771590), (285, 755346), (310, 694431), (342, 629455), (393, 547770), (465, 462954), (558, 385795), (570, 377673), (589, 365490), (655, 328662), (786, 273885), (855, 251782), (930, 231477), (961, 224010), (1178, 182745), (1179, 182590), (1310, 164331), (1395, 154318), (1710, 125891), (1767, 121830), (1922, 112005), (1965, 109554), (2358, 91295), (2489, 86490), (2790, 77159), (2883, 74670), (2945, 73098), (3534, 60915), (3930, 54777), (4061, 53010), (4805, 44802), (4978, 43245), (5301, 40610), (5766, 37335), (5890, 36549), (5895, 36518), (7467, 28830), (8122, 26505), (8649, 24890), (8835, 24366), (9610, 22401), (10602, 20305), (11790, 18259), (12183, 17670), (12445, 17298), (14415, 14934)]