20120649480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{16649}}^1$

素因数の和:17045

約数の個数: 160

約数和(自身を含む): 67813119000

約数和(自身を除く): 47692469520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 373, 405, 540, 648, 746, 810, 1080, 1119, 1492, 1620, 1865, 2238, 2984, 3240, 3357, 3730, 4476, 5595, 6714, 7460, 8952, 10071, 11190, 13428, 14920, 16649, 16785, 20142, 22380, 26856, 30213, 33298, 33570, 40284, 44760, 49947, 50355, 60426, 66596, 67140, 80568, 83245, 99894, 100710, 120852, 133192, 134280, 149841, 151065, 166490, 199788, 201420, 241704, 249735, 299682, 302130, 332980, 399576, 402840, 449523, 499470, 599364, 604260, 665960, 749205, 899046, 998940, 1198728, 1208520, 1348569, 1498410, 1798092, 1997880, 2247615, 2697138, 2996820, 3596184, 4495230, 5394276, 5993640, 6210077, 6742845, 8990460, 10788552, 12420154, 13485690, 17980920, 18630231, 24840308, 26971380, 31050385, 37260462, 49680616, 53942760, 55890693, 62100770, 74520924, 93151155, 111781386, 124201540, 149041848, 167672079, 186302310, 223562772, 248403080, 279453465, 335344158, 372604620, 447125544, 503016237, 558906930, 670688316, 745209240, 838360395, 1006032474, 1117813860, 1341376632, 1676720790, 2012064948, 2235627720, 2515081185, 3353441580, 4024129896, 5030162370, 6706883160, 10060324740, 20120649480]

約数ペア:

[(1, 20120649480), (2, 10060324740), (3, 6706883160), (4, 5030162370), (5, 4024129896), (6, 3353441580), (8, 2515081185), (9, 2235627720), (10, 2012064948), (12, 1676720790), (15, 1341376632), (18, 1117813860), (20, 1006032474), (24, 838360395), (27, 745209240), (30, 670688316), (36, 558906930), (40, 503016237), (45, 447125544), (54, 372604620), (60, 335344158), (72, 279453465), (81, 248403080), (90, 223562772), (108, 186302310), (120, 167672079), (135, 149041848), (162, 124201540), (180, 111781386), (216, 93151155), (270, 74520924), (324, 62100770), (360, 55890693), (373, 53942760), (405, 49680616), (540, 37260462), (648, 31050385), (746, 26971380), (810, 24840308), (1080, 18630231), (1119, 17980920), (1492, 13485690), (1620, 12420154), (1865, 10788552), (2238, 8990460), (2984, 6742845), (3240, 6210077), (3357, 5993640), (3730, 5394276), (4476, 4495230), (5595, 3596184), (6714, 2996820), (7460, 2697138), (8952, 2247615), (10071, 1997880), (11190, 1798092), (13428, 1498410), (14920, 1348569), (16649, 1208520), (16785, 1198728), (20142, 998940), (22380, 899046), (26856, 749205), (30213, 665960), (33298, 604260), (33570, 599364), (40284, 499470), (44760, 449523), (49947, 402840), (50355, 399576), (60426, 332980), (66596, 302130), (67140, 299682), (80568, 249735), (83245, 241704), (99894, 201420), (100710, 199788), (120852, 166490), (133192, 151065), (134280, 149841)]