210066660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 676166400

約数和(自身を除く): 466099740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 239, 257, 285, 342, 380, 478, 514, 570, 684, 717, 771, 855, 956, 1028, 1140, 1195, 1285, 1434, 1542, 1710, 2151, 2313, 2390, 2570, 2868, 3084, 3420, 3585, 3855, 4302, 4541, 4626, 4780, 4883, 5140, 7170, 7710, 8604, 9082, 9252, 9766, 10755, 11565, 13623, 14340, 14649, 15420, 18164, 19532, 21510, 22705, 23130, 24415, 27246, 29298, 40869, 43020, 43947, 45410, 46260, 48830, 54492, 58596, 61423, 68115, 73245, 81738, 87894, 90820, 97660, 122846, 136230, 146490, 163476, 175788, 184269, 204345, 219735, 245692, 272460, 292980, 307115, 368538, 408690, 439470, 552807, 614230, 737076, 817380, 878940, 921345, 1105614, 1167037, 1228460, 1842690, 2211228, 2334074, 2764035, 3501111, 3685380, 4668148, 5528070, 5835185, 7002222, 10503333, 11056140, 11670370, 14004444, 17505555, 21006666, 23340740, 35011110, 42013332, 52516665, 70022220, 105033330, 210066660]

約数ペア:

[(1, 210066660), (2, 105033330), (3, 70022220), (4, 52516665), (5, 42013332), (6, 35011110), (9, 23340740), (10, 21006666), (12, 17505555), (15, 14004444), (18, 11670370), (19, 11056140), (20, 10503333), (30, 7002222), (36, 5835185), (38, 5528070), (45, 4668148), (57, 3685380), (60, 3501111), (76, 2764035), (90, 2334074), (95, 2211228), (114, 1842690), (171, 1228460), (180, 1167037), (190, 1105614), (228, 921345), (239, 878940), (257, 817380), (285, 737076), (342, 614230), (380, 552807), (478, 439470), (514, 408690), (570, 368538), (684, 307115), (717, 292980), (771, 272460), (855, 245692), (956, 219735), (1028, 204345), (1140, 184269), (1195, 175788), (1285, 163476), (1434, 146490), (1542, 136230), (1710, 122846), (2151, 97660), (2313, 90820), (2390, 87894), (2570, 81738), (2868, 73245), (3084, 68115), (3420, 61423), (3585, 58596), (3855, 54492), (4302, 48830), (4541, 46260), (4626, 45410), (4780, 43947), (4883, 43020), (5140, 40869), (7170, 29298), (7710, 27246), (8604, 24415), (9082, 23130), (9252, 22705), (9766, 21510), (10755, 19532), (11565, 18164), (13623, 15420), (14340, 14649)]