55120520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 160876800

約数和(自身を除く): 105756280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 797, 910, 988, 1064, 1235, 1330, 1594, 1729, 1820, 1976, 2470, 2660, 3188, 3458, 3640, 3985, 4940, 5320, 5579, 6376, 6916, 7970, 8645, 9880, 10361, 11158, 13832, 15143, 15940, 17290, 20722, 22316, 27895, 30286, 31880, 34580, 41444, 44632, 51805, 55790, 60572, 69160, 72527, 75715, 82888, 103610, 106001, 111580, 121144, 145054, 151430, 196859, 207220, 212002, 223160, 290108, 302860, 362635, 393718, 414440, 424004, 530005, 580216, 605720, 725270, 787436, 848008, 984295, 1060010, 1378013, 1450540, 1574872, 1968590, 2120020, 2756026, 2901080, 3937180, 4240040, 5512052, 6890065, 7874360, 11024104, 13780130, 27560260, 55120520]

約数ペア:

[(1, 55120520), (2, 27560260), (4, 13780130), (5, 11024104), (7, 7874360), (8, 6890065), (10, 5512052), (13, 4240040), (14, 3937180), (19, 2901080), (20, 2756026), (26, 2120020), (28, 1968590), (35, 1574872), (38, 1450540), (40, 1378013), (52, 1060010), (56, 984295), (65, 848008), (70, 787436), (76, 725270), (91, 605720), (95, 580216), (104, 530005), (130, 424004), (133, 414440), (140, 393718), (152, 362635), (182, 302860), (190, 290108), (247, 223160), (260, 212002), (266, 207220), (280, 196859), (364, 151430), (380, 145054), (455, 121144), (494, 111580), (520, 106001), (532, 103610), (665, 82888), (728, 75715), (760, 72527), (797, 69160), (910, 60572), (988, 55790), (1064, 51805), (1235, 44632), (1330, 41444), (1594, 34580), (1729, 31880), (1820, 30286), (1976, 27895), (2470, 22316), (2660, 20722), (3188, 17290), (3458, 15940), (3640, 15143), (3985, 13832), (4940, 11158), (5320, 10361), (5579, 9880), (6376, 8645), (6916, 7970)]