21028876560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45707}}^1$

素因数の和:45803

約数の個数: 200

約数和(自身を含む): 74066705856

約数和(自身を除く): 53037829296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 162, 180, 213, 216, 240, 270, 284, 324, 355, 360, 405, 426, 432, 540, 568, 639, 648, 710, 720, 810, 852, 1065, 1080, 1136, 1278, 1296, 1420, 1620, 1704, 1917, 2130, 2160, 2556, 2840, 3195, 3240, 3408, 3834, 4260, 5112, 5680, 5751, 6390, 6480, 7668, 8520, 9585, 10224, 11502, 12780, 15336, 17040, 19170, 23004, 25560, 28755, 30672, 38340, 45707, 46008, 51120, 57510, 76680, 91414, 92016, 115020, 137121, 153360, 182828, 228535, 230040, 274242, 365656, 411363, 457070, 460080, 548484, 685605, 731312, 822726, 914140, 1096968, 1234089, 1371210, 1645452, 1828280, 2056815, 2193936, 2468178, 2742420, 3245197, 3290904, 3656560, 3702267, 4113630, 4936356, 5484840, 6170445, 6490394, 6581808, 7404534, 8227260, 9735591, 9872712, 10969680, 12340890, 12980788, 14809068, 16225985, 16454520, 18511335, 19471182, 19745424, 24681780, 25961576, 29206773, 29618136, 32451970, 32909040, 37022670, 38942364, 48677955, 49363560, 51923152, 58413546, 59236272, 64903940, 74045340, 77884728, 87620319, 97355910, 98727120, 116827092, 129807880, 146033865, 148090680, 155769456, 175240638, 194711820, 233654184, 259615760, 262860957, 292067730, 296181360, 350481276, 389423640, 438101595, 467308368, 525721914, 584135460, 700962552, 778847280, 876203190, 1051443828, 1168270920, 1314304785, 1401925104, 1752406380, 2102887656, 2336541840, 2628609570, 3504812760, 4205775312, 5257219140, 7009625520, 10514438280, 21028876560]

約数ペア:

[(1, 21028876560), (2, 10514438280), (3, 7009625520), (4, 5257219140), (5, 4205775312), (6, 3504812760), (8, 2628609570), (9, 2336541840), (10, 2102887656), (12, 1752406380), (15, 1401925104), (16, 1314304785), (18, 1168270920), (20, 1051443828), (24, 876203190), (27, 778847280), (30, 700962552), (36, 584135460), (40, 525721914), (45, 467308368), (48, 438101595), (54, 389423640), (60, 350481276), (71, 296181360), (72, 292067730), (80, 262860957), (81, 259615760), (90, 233654184), (108, 194711820), (120, 175240638), (135, 155769456), (142, 148090680), (144, 146033865), (162, 129807880), (180, 116827092), (213, 98727120), (216, 97355910), (240, 87620319), (270, 77884728), (284, 74045340), (324, 64903940), (355, 59236272), (360, 58413546), (405, 51923152), (426, 49363560), (432, 48677955), (540, 38942364), (568, 37022670), (639, 32909040), (648, 32451970), (710, 29618136), (720, 29206773), (810, 25961576), (852, 24681780), (1065, 19745424), (1080, 19471182), (1136, 18511335), (1278, 16454520), (1296, 16225985), (1420, 14809068), (1620, 12980788), (1704, 12340890), (1917, 10969680), (2130, 9872712), (2160, 9735591), (2556, 8227260), (2840, 7404534), (3195, 6581808), (3240, 6490394), (3408, 6170445), (3834, 5484840), (4260, 4936356), (5112, 4113630), (5680, 3702267), (5751, 3656560), (6390, 3290904), (6480, 3245197), (7668, 2742420), (8520, 2468178), (9585, 2193936), (10224, 2056815), (11502, 1828280), (12780, 1645452), (15336, 1371210), (17040, 1234089), (19170, 1096968), (23004, 914140), (25560, 822726), (28755, 731312), (30672, 685605), (38340, 548484), (45707, 460080), (46008, 457070), (51120, 411363), (57510, 365656), (76680, 274242), (91414, 230040), (92016, 228535), (115020, 182828), (137121, 153360)]