20235085080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{3581}}^1$

素因数の和:3671

約数の個数: 288

約数和(自身を含む): 72988121520

約数和(自身を除く): 52753036440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 961, 980, 1085, 1176, 1240, 1302, 1470, 1519, 1736, 1860, 1922, 1960, 2170, 2604, 2883, 2940, 3038, 3255, 3581, 3720, 3844, 4340, 4557, 4805, 5208, 5766, 5880, 6076, 6510, 6727, 7162, 7595, 7688, 8680, 9114, 9610, 10743, 11532, 12152, 13020, 13454, 14324, 14415, 15190, 17905, 18228, 19220, 20181, 21486, 22785, 23064, 25067, 26040, 26908, 28648, 28830, 30380, 33635, 35810, 36456, 38440, 40362, 42972, 45570, 47089, 50134, 53715, 53816, 57660, 60760, 67270, 71620, 75201, 80724, 85944, 91140, 94178, 100268, 100905, 107430, 111011, 115320, 125335, 134540, 141267, 143240, 150402, 161448, 175469, 182280, 188356, 200536, 201810, 214860, 222022, 235445, 250670, 269080, 282534, 300804, 333033, 350938, 376005, 376712, 403620, 429720, 444044, 470890, 501340, 526407, 555055, 565068, 601608, 666066, 701876, 706335, 752010, 777077, 807240, 877345, 888088, 941780, 1002680, 1052814, 1110110, 1130136, 1332132, 1403752, 1412670, 1504020, 1554154, 1665165, 1754690, 1883560, 2105628, 2220220, 2331231, 2632035, 2664264, 2825340, 3008040, 3108308, 3330330, 3441341, 3509380, 3885385, 4211256, 4440440, 4662462, 5264070, 5439539, 5650680, 6216616, 6660660, 6882682, 7018760, 7770770, 9324924, 10324023, 10528140, 10879078, 11656155, 13321320, 13765364, 15541540, 16318617, 17206705, 18649848, 20648046, 21056280, 21758156, 23312310, 24089387, 27197695, 27530728, 31083080, 32637234, 34413410, 41296092, 43516312, 46624620, 48178774, 51620115, 54395390, 65274468, 68826820, 72268161, 81593085, 82592184, 93249240, 96357548, 103240230, 108790780, 120446935, 130548936, 137653640, 144536322, 163186170, 168625709, 192715096, 206480460, 217581560, 240893870, 289072644, 326372340, 337251418, 361340805, 412960920, 481787740, 505877127, 578145288, 652744680, 674502836, 722681610, 843128545, 963575480, 1011754254, 1349005672, 1445363220, 1686257090, 2023508508, 2529385635, 2890726440, 3372514180, 4047017016, 5058771270, 6745028360, 10117542540, 20235085080]

約数ペア:

[(1, 20235085080), (2, 10117542540), (3, 6745028360), (4, 5058771270), (5, 4047017016), (6, 3372514180), (7, 2890726440), (8, 2529385635), (10, 2023508508), (12, 1686257090), (14, 1445363220), (15, 1349005672), (20, 1011754254), (21, 963575480), (24, 843128545), (28, 722681610), (30, 674502836), (31, 652744680), (35, 578145288), (40, 505877127), (42, 481787740), (49, 412960920), (56, 361340805), (60, 337251418), (62, 326372340), (70, 289072644), (84, 240893870), (93, 217581560), (98, 206480460), (105, 192715096), (120, 168625709), (124, 163186170), (140, 144536322), (147, 137653640), (155, 130548936), (168, 120446935), (186, 108790780), (196, 103240230), (210, 96357548), (217, 93249240), (245, 82592184), (248, 81593085), (280, 72268161), (294, 68826820), (310, 65274468), (372, 54395390), (392, 51620115), (420, 48178774), (434, 46624620), (465, 43516312), (490, 41296092), (588, 34413410), (620, 32637234), (651, 31083080), (735, 27530728), (744, 27197695), (840, 24089387), (868, 23312310), (930, 21758156), (961, 21056280), (980, 20648046), (1085, 18649848), (1176, 17206705), (1240, 16318617), (1302, 15541540), (1470, 13765364), (1519, 13321320), (1736, 11656155), (1860, 10879078), (1922, 10528140), (1960, 10324023), (2170, 9324924), (2604, 7770770), (2883, 7018760), (2940, 6882682), (3038, 6660660), (3255, 6216616), (3581, 5650680), (3720, 5439539), (3844, 5264070), (4340, 4662462), (4557, 4440440), (4805, 4211256), (5208, 3885385), (5766, 3509380), (5880, 3441341), (6076, 3330330), (6510, 3108308), (6727, 3008040), (7162, 2825340), (7595, 2664264), (7688, 2632035), (8680, 2331231), (9114, 2220220), (9610, 2105628), (10743, 1883560), (11532, 1754690), (12152, 1665165), (13020, 1554154), (13454, 1504020), (14324, 1412670), (14415, 1403752), (15190, 1332132), (17905, 1130136), (18228, 1110110), (19220, 1052814), (20181, 1002680), (21486, 941780), (22785, 888088), (23064, 877345), (25067, 807240), (26040, 777077), (26908, 752010), (28648, 706335), (28830, 701876), (30380, 666066), (33635, 601608), (35810, 565068), (36456, 555055), (38440, 526407), (40362, 501340), (42972, 470890), (45570, 444044), (47089, 429720), (50134, 403620), (53715, 376712), (53816, 376005), (57660, 350938), (60760, 333033), (67270, 300804), (71620, 282534), (75201, 269080), (80724, 250670), (85944, 235445), (91140, 222022), (94178, 214860), (100268, 201810), (100905, 200536), (107430, 188356), (111011, 182280), (115320, 175469), (125335, 161448), (134540, 150402), (141267, 143240)]