43378720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 144

約数和(自身を含む): 130310208

約数和(自身を除く): 86931488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 503, 539, 560, 616, 770, 784, 880, 980, 1006, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2012, 2156, 2464, 2515, 2695, 3080, 3521, 3920, 4024, 4312, 5030, 5390, 5533, 6160, 7042, 7840, 8048, 8624, 10060, 10780, 11066, 12320, 14084, 16096, 17248, 17605, 20120, 21560, 22132, 24647, 27665, 28168, 35210, 38731, 40240, 43120, 44264, 49294, 55330, 56336, 70420, 77462, 80480, 86240, 88528, 98588, 110660, 112672, 123235, 140840, 154924, 177056, 193655, 197176, 221320, 246470, 271117, 281680, 309848, 387310, 394352, 442640, 492940, 542234, 563360, 619696, 774620, 788704, 885280, 985880, 1084468, 1239392, 1355585, 1549240, 1971760, 2168936, 2711170, 3098480, 3943520, 4337872, 5422340, 6196960, 8675744, 10844680, 21689360, 43378720]

約数ペア:

[(1, 43378720), (2, 21689360), (4, 10844680), (5, 8675744), (7, 6196960), (8, 5422340), (10, 4337872), (11, 3943520), (14, 3098480), (16, 2711170), (20, 2168936), (22, 1971760), (28, 1549240), (32, 1355585), (35, 1239392), (40, 1084468), (44, 985880), (49, 885280), (55, 788704), (56, 774620), (70, 619696), (77, 563360), (80, 542234), (88, 492940), (98, 442640), (110, 394352), (112, 387310), (140, 309848), (154, 281680), (160, 271117), (176, 246470), (196, 221320), (220, 197176), (224, 193655), (245, 177056), (280, 154924), (308, 140840), (352, 123235), (385, 112672), (392, 110660), (440, 98588), (490, 88528), (503, 86240), (539, 80480), (560, 77462), (616, 70420), (770, 56336), (784, 55330), (880, 49294), (980, 44264), (1006, 43120), (1078, 40240), (1120, 38731), (1232, 35210), (1540, 28168), (1568, 27665), (1760, 24647), (1960, 22132), (2012, 21560), (2156, 20120), (2464, 17605), (2515, 17248), (2695, 16096), (3080, 14084), (3521, 12320), (3920, 11066), (4024, 10780), (4312, 10060), (5030, 8624), (5390, 8048), (5533, 7840), (6160, 7042)]