20038961280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1297}}^1$

素因数の和:1951

約数の個数: 256

約数和(自身を含む): 68951836800

約数和(自身を除く): 48912875520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 619, 624, 640, 780, 832, 960, 1040, 1238, 1248, 1297, 1560, 1664, 1857, 1920, 2080, 2476, 2496, 2594, 3095, 3120, 3714, 3891, 4160, 4952, 4992, 5188, 6190, 6240, 6485, 7428, 7782, 8047, 8320, 9285, 9904, 10376, 12380, 12480, 12970, 14856, 15564, 16094, 16861, 18570, 19455, 19808, 20752, 24141, 24760, 24960, 25940, 29712, 31128, 32188, 33722, 37140, 38910, 39616, 40235, 41504, 48282, 49520, 50583, 51880, 59424, 62256, 64376, 67444, 74280, 77820, 79232, 80470, 83008, 84305, 96564, 99040, 101166, 103760, 118848, 120705, 124512, 128752, 134888, 148560, 155640, 160940, 166016, 168610, 193128, 198080, 202332, 207520, 237696, 241410, 249024, 252915, 257504, 269776, 297120, 311280, 321880, 337220, 386256, 396160, 404664, 415040, 482820, 498048, 505830, 515008, 539552, 594240, 622560, 643760, 674440, 772512, 802843, 809328, 830080, 965640, 1011660, 1030016, 1079104, 1188480, 1245120, 1287520, 1348880, 1545024, 1605686, 1618656, 1931280, 2023320, 2158208, 2408529, 2490240, 2575040, 2697760, 3090048, 3211372, 3237312, 3862560, 4014215, 4046640, 4817058, 5150080, 5395520, 6422744, 6474624, 7725120, 8028430, 8093280, 9634116, 10436959, 10791040, 12042645, 12845488, 15450240, 16056860, 16186560, 19268232, 20873918, 24085290, 25690976, 31310877, 32113720, 32373120, 38536464, 41747836, 48170580, 51381952, 52184795, 62621754, 64227440, 77072928, 83495672, 96341160, 102763904, 104369590, 125243508, 128454880, 154145856, 156554385, 166991344, 192682320, 208739180, 250487016, 256909760, 308291712, 313108770, 333982688, 385364640, 417478360, 500974032, 513819520, 626217540, 667965376, 770729280, 834956720, 1001948064, 1252435080, 1335930752, 1541458560, 1669913440, 2003896128, 2504870160, 3339826880, 4007792256, 5009740320, 6679653760, 10019480640, 20038961280]

約数ペア:

[(1, 20038961280), (2, 10019480640), (3, 6679653760), (4, 5009740320), (5, 4007792256), (6, 3339826880), (8, 2504870160), (10, 2003896128), (12, 1669913440), (13, 1541458560), (15, 1335930752), (16, 1252435080), (20, 1001948064), (24, 834956720), (26, 770729280), (30, 667965376), (32, 626217540), (39, 513819520), (40, 500974032), (48, 417478360), (52, 385364640), (60, 333982688), (64, 313108770), (65, 308291712), (78, 256909760), (80, 250487016), (96, 208739180), (104, 192682320), (120, 166991344), (128, 156554385), (130, 154145856), (156, 128454880), (160, 125243508), (192, 104369590), (195, 102763904), (208, 96341160), (240, 83495672), (260, 77072928), (312, 64227440), (320, 62621754), (384, 52184795), (390, 51381952), (416, 48170580), (480, 41747836), (520, 38536464), (619, 32373120), (624, 32113720), (640, 31310877), (780, 25690976), (832, 24085290), (960, 20873918), (1040, 19268232), (1238, 16186560), (1248, 16056860), (1297, 15450240), (1560, 12845488), (1664, 12042645), (1857, 10791040), (1920, 10436959), (2080, 9634116), (2476, 8093280), (2496, 8028430), (2594, 7725120), (3095, 6474624), (3120, 6422744), (3714, 5395520), (3891, 5150080), (4160, 4817058), (4952, 4046640), (4992, 4014215), (5188, 3862560), (6190, 3237312), (6240, 3211372), (6485, 3090048), (7428, 2697760), (7782, 2575040), (8047, 2490240), (8320, 2408529), (9285, 2158208), (9904, 2023320), (10376, 1931280), (12380, 1618656), (12480, 1605686), (12970, 1545024), (14856, 1348880), (15564, 1287520), (16094, 1245120), (16861, 1188480), (18570, 1079104), (19455, 1030016), (19808, 1011660), (20752, 965640), (24141, 830080), (24760, 809328), (24960, 802843), (25940, 772512), (29712, 674440), (31128, 643760), (32188, 622560), (33722, 594240), (37140, 539552), (38910, 515008), (39616, 505830), (40235, 498048), (41504, 482820), (48282, 415040), (49520, 404664), (50583, 396160), (51880, 386256), (59424, 337220), (62256, 321880), (64376, 311280), (67444, 297120), (74280, 269776), (77820, 257504), (79232, 252915), (80470, 249024), (83008, 241410), (84305, 237696), (96564, 207520), (99040, 202332), (101166, 198080), (103760, 193128), (118848, 168610), (120705, 166016), (124512, 160940), (128752, 155640), (134888, 148560)]