20160653415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1221

約数の個数: 128

約数和(自身を含む): 38918651904

約数和(自身を除く): 18757998489

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 71, 105, 129, 183, 213, 215, 301, 305, 355, 427, 497, 645, 903, 915, 1031, 1065, 1281, 1491, 1505, 2135, 2485, 2623, 3053, 3093, 4331, 4515, 5155, 6405, 7217, 7455, 7869, 9159, 12993, 13115, 15265, 15465, 18361, 21371, 21651, 21655, 30317, 36085, 39345, 44333, 45795, 55083, 62891, 64113, 64965, 73201, 90951, 91805, 106855, 108255, 132999, 151585, 186233, 188673, 219603, 221665, 275415, 310331, 314455, 320565, 366005, 440237, 454755, 512407, 558699, 664995, 930993, 931165, 943365, 1098015, 1303631, 1320711, 1537221, 1551655, 2201185, 2562035, 2704313, 2793495, 3147643, 3910893, 4465261, 4654965, 6518155, 6603555, 7686105, 8112939, 9442929, 13395783, 13521565, 15738215, 18930191, 19554465, 22033501, 22326305, 31256827, 40564695, 47214645, 56790573, 66100503, 66978915, 93770481, 94650955, 110167505, 156284135, 192006223, 283952865, 330502515, 468852405, 576018669, 960031115, 1344043561, 2880093345, 4032130683, 6720217805, 20160653415]

約数ペア:

[(1, 20160653415), (3, 6720217805), (5, 4032130683), (7, 2880093345), (15, 1344043561), (21, 960031115), (35, 576018669), (43, 468852405), (61, 330502515), (71, 283952865), (105, 192006223), (129, 156284135), (183, 110167505), (213, 94650955), (215, 93770481), (301, 66978915), (305, 66100503), (355, 56790573), (427, 47214645), (497, 40564695), (645, 31256827), (903, 22326305), (915, 22033501), (1031, 19554465), (1065, 18930191), (1281, 15738215), (1491, 13521565), (1505, 13395783), (2135, 9442929), (2485, 8112939), (2623, 7686105), (3053, 6603555), (3093, 6518155), (4331, 4654965), (4515, 4465261), (5155, 3910893), (6405, 3147643), (7217, 2793495), (7455, 2704313), (7869, 2562035), (9159, 2201185), (12993, 1551655), (13115, 1537221), (15265, 1320711), (15465, 1303631), (18361, 1098015), (21371, 943365), (21651, 931165), (21655, 930993), (30317, 664995), (36085, 558699), (39345, 512407), (44333, 454755), (45795, 440237), (55083, 366005), (62891, 320565), (64113, 314455), (64965, 310331), (73201, 275415), (90951, 221665), (91805, 219603), (106855, 188673), (108255, 186233), (132999, 151585)]