51278640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 183845376

約数和(自身を除く): 132566736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 233, 240, 262, 280, 336, 393, 420, 466, 524, 560, 655, 699, 786, 840, 917, 932, 1048, 1165, 1310, 1398, 1572, 1631, 1680, 1834, 1864, 1965, 2096, 2330, 2620, 2751, 2796, 3144, 3262, 3495, 3668, 3728, 3930, 4585, 4660, 4893, 5240, 5502, 5592, 6288, 6524, 6990, 7336, 7860, 8155, 9170, 9320, 9786, 10480, 11004, 11184, 13048, 13755, 13980, 14672, 15720, 16310, 18340, 18640, 19572, 22008, 24465, 26096, 27510, 27960, 30523, 31440, 32620, 36680, 39144, 44016, 48930, 55020, 55920, 61046, 65240, 73360, 78288, 91569, 97860, 110040, 122092, 130480, 152615, 183138, 195720, 213661, 220080, 244184, 305230, 366276, 391440, 427322, 457845, 488368, 610460, 640983, 732552, 854644, 915690, 1068305, 1220920, 1281966, 1465104, 1709288, 1831380, 2136610, 2441840, 2563932, 3204915, 3418576, 3662760, 4273220, 5127864, 6409830, 7325520, 8546440, 10255728, 12819660, 17092880, 25639320, 51278640]

約数ペア:

[(1, 51278640), (2, 25639320), (3, 17092880), (4, 12819660), (5, 10255728), (6, 8546440), (7, 7325520), (8, 6409830), (10, 5127864), (12, 4273220), (14, 3662760), (15, 3418576), (16, 3204915), (20, 2563932), (21, 2441840), (24, 2136610), (28, 1831380), (30, 1709288), (35, 1465104), (40, 1281966), (42, 1220920), (48, 1068305), (56, 915690), (60, 854644), (70, 732552), (80, 640983), (84, 610460), (105, 488368), (112, 457845), (120, 427322), (131, 391440), (140, 366276), (168, 305230), (210, 244184), (233, 220080), (240, 213661), (262, 195720), (280, 183138), (336, 152615), (393, 130480), (420, 122092), (466, 110040), (524, 97860), (560, 91569), (655, 78288), (699, 73360), (786, 65240), (840, 61046), (917, 55920), (932, 55020), (1048, 48930), (1165, 44016), (1310, 39144), (1398, 36680), (1572, 32620), (1631, 31440), (1680, 30523), (1834, 27960), (1864, 27510), (1965, 26096), (2096, 24465), (2330, 22008), (2620, 19572), (2751, 18640), (2796, 18340), (3144, 16310), (3262, 15720), (3495, 14672), (3668, 13980), (3728, 13755), (3930, 13048), (4585, 11184), (4660, 11004), (4893, 10480), (5240, 9786), (5502, 9320), (5592, 9170), (6288, 8155), (6524, 7860), (6990, 7336)]