1921569520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 4937308992

約数和(自身を除く): 3015739472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 113, 130, 166, 197, 208, 226, 260, 332, 394, 415, 452, 520, 565, 664, 788, 830, 904, 985, 1040, 1079, 1130, 1328, 1469, 1576, 1660, 1808, 1970, 2158, 2260, 2561, 2938, 3152, 3320, 3940, 4316, 4520, 5122, 5395, 5876, 6640, 7345, 7880, 8632, 9040, 9379, 10244, 10790, 11752, 12805, 14690, 15760, 16351, 17264, 18758, 20488, 21580, 22261, 23504, 25610, 29380, 32702, 37516, 40976, 43160, 44522, 46895, 51220, 58760, 65404, 75032, 81755, 86320, 89044, 93790, 102440, 111305, 117520, 121927, 130808, 150064, 163510, 178088, 187580, 204880, 212563, 222610, 243854, 261616, 289393, 327020, 356176, 375160, 425126, 445220, 487708, 578786, 609635, 654040, 750320, 850252, 890440, 975416, 1062815, 1157572, 1219270, 1308080, 1446965, 1700504, 1780880, 1847663, 1950832, 2125630, 2315144, 2438540, 2893930, 3401008, 3695326, 4251260, 4630288, 4877080, 5787860, 7390652, 8502520, 9238315, 9754160, 11575720, 14781304, 17005040, 18476630, 23151440, 24019619, 29562608, 36953260, 48039238, 73906520, 96078476, 120098095, 147813040, 192156952, 240196190, 384313904, 480392380, 960784760, 1921569520]

約数ペア:

[(1, 1921569520), (2, 960784760), (4, 480392380), (5, 384313904), (8, 240196190), (10, 192156952), (13, 147813040), (16, 120098095), (20, 96078476), (26, 73906520), (40, 48039238), (52, 36953260), (65, 29562608), (80, 24019619), (83, 23151440), (104, 18476630), (113, 17005040), (130, 14781304), (166, 11575720), (197, 9754160), (208, 9238315), (226, 8502520), (260, 7390652), (332, 5787860), (394, 4877080), (415, 4630288), (452, 4251260), (520, 3695326), (565, 3401008), (664, 2893930), (788, 2438540), (830, 2315144), (904, 2125630), (985, 1950832), (1040, 1847663), (1079, 1780880), (1130, 1700504), (1328, 1446965), (1469, 1308080), (1576, 1219270), (1660, 1157572), (1808, 1062815), (1970, 975416), (2158, 890440), (2260, 850252), (2561, 750320), (2938, 654040), (3152, 609635), (3320, 578786), (3940, 487708), (4316, 445220), (4520, 425126), (5122, 375160), (5395, 356176), (5876, 327020), (6640, 289393), (7345, 261616), (7880, 243854), (8632, 222610), (9040, 212563), (9379, 204880), (10244, 187580), (10790, 178088), (11752, 163510), (12805, 150064), (14690, 130808), (15760, 121927), (16351, 117520), (17264, 111305), (18758, 102440), (20488, 93790), (21580, 89044), (22261, 86320), (23504, 81755), (25610, 75032), (29380, 65404), (32702, 58760), (37516, 51220), (40976, 46895), (43160, 44522)]