20168510880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{3359}}^1$

素因数の和:5171

約数の個数: 192

約数和(自身を含む): 72668897280

約数和(自身を除く): 52500386400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 1787, 3359, 3360, 3574, 5361, 6718, 7148, 8935, 10077, 10722, 12509, 13436, 14296, 16795, 17870, 20154, 21444, 23513, 25018, 26805, 26872, 28592, 33590, 35740, 37527, 40308, 42888, 47026, 50036, 50385, 53610, 53744, 57184, 62545, 67180, 70539, 71480, 75054, 80616, 85776, 94052, 100072, 100770, 107220, 107488, 117565, 125090, 134360, 141078, 142960, 150108, 161232, 171552, 187635, 188104, 200144, 201540, 214440, 235130, 250180, 268720, 282156, 285920, 300216, 322464, 352695, 375270, 376208, 400288, 403080, 428880, 470260, 500360, 537440, 564312, 600432, 705390, 750540, 752416, 806160, 857760, 940520, 1000720, 1128624, 1200864, 1410780, 1501080, 1612320, 1881040, 2001440, 2257248, 2821560, 3002160, 3762080, 5643120, 6002533, 6004320, 11286240, 12005066, 18007599, 24010132, 30012665, 36015198, 42017731, 48020264, 60025330, 72030396, 84035462, 90037995, 96040528, 120050660, 126053193, 144060792, 168070924, 180075990, 192081056, 210088655, 240101320, 252106386, 288121584, 336141848, 360151980, 420177310, 480202640, 504212772, 576243168, 630265965, 672283696, 720303960, 840354620, 960405280, 1008425544, 1260531930, 1344567392, 1440607920, 1680709240, 2016851088, 2521063860, 2881215840, 3361418480, 4033702176, 5042127720, 6722836960, 10084255440, 20168510880]

約数ペア:

[(1, 20168510880), (2, 10084255440), (3, 6722836960), (4, 5042127720), (5, 4033702176), (6, 3361418480), (7, 2881215840), (8, 2521063860), (10, 2016851088), (12, 1680709240), (14, 1440607920), (15, 1344567392), (16, 1260531930), (20, 1008425544), (21, 960405280), (24, 840354620), (28, 720303960), (30, 672283696), (32, 630265965), (35, 576243168), (40, 504212772), (42, 480202640), (48, 420177310), (56, 360151980), (60, 336141848), (70, 288121584), (80, 252106386), (84, 240101320), (96, 210088655), (105, 192081056), (112, 180075990), (120, 168070924), (140, 144060792), (160, 126053193), (168, 120050660), (210, 96040528), (224, 90037995), (240, 84035462), (280, 72030396), (336, 60025330), (420, 48020264), (480, 42017731), (560, 36015198), (672, 30012665), (840, 24010132), (1120, 18007599), (1680, 12005066), (1787, 11286240), (3359, 6004320), (3360, 6002533), (3574, 5643120), (5361, 3762080), (6718, 3002160), (7148, 2821560), (8935, 2257248), (10077, 2001440), (10722, 1881040), (12509, 1612320), (13436, 1501080), (14296, 1410780), (16795, 1200864), (17870, 1128624), (20154, 1000720), (21444, 940520), (23513, 857760), (25018, 806160), (26805, 752416), (26872, 750540), (28592, 705390), (33590, 600432), (35740, 564312), (37527, 537440), (40308, 500360), (42888, 470260), (47026, 428880), (50036, 403080), (50385, 400288), (53610, 376208), (53744, 375270), (57184, 352695), (62545, 322464), (67180, 300216), (70539, 285920), (71480, 282156), (75054, 268720), (80616, 250180), (85776, 235130), (94052, 214440), (100072, 201540), (100770, 200144), (107220, 188104), (107488, 187635), (117565, 171552), (125090, 161232), (134360, 150108), (141078, 142960)]