20214272640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1217}}^1$

素因数の和:1491

約数の個数: 256

約数和(自身を含む): 66371840640

約数和(自身を除く): 46157568000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 211, 240, 246, 320, 328, 384, 410, 422, 480, 492, 615, 633, 640, 656, 820, 844, 960, 984, 1055, 1217, 1230, 1266, 1312, 1640, 1688, 1920, 1968, 2110, 2434, 2460, 2532, 2624, 3165, 3280, 3376, 3651, 3936, 4220, 4868, 4920, 5064, 5248, 6085, 6330, 6560, 6752, 7302, 7872, 8440, 8651, 9736, 9840, 10128, 12170, 12660, 13120, 13504, 14604, 15744, 16880, 17302, 18255, 19472, 19680, 20256, 24340, 25320, 25953, 26240, 27008, 29208, 33760, 34604, 36510, 38944, 39360, 40512, 43255, 48680, 49897, 50640, 51906, 58416, 67520, 69208, 73020, 77888, 78720, 81024, 86510, 97360, 99794, 101280, 103812, 116832, 129765, 135040, 138416, 146040, 149691, 155776, 173020, 194720, 199588, 202560, 207624, 233664, 249485, 256787, 259530, 276832, 292080, 299382, 346040, 389440, 399176, 405120, 415248, 467328, 498970, 513574, 519060, 553664, 584160, 598764, 692080, 748455, 770361, 778880, 798352, 830496, 997940, 1027148, 1038120, 1107328, 1168320, 1197528, 1283935, 1384160, 1496910, 1540722, 1596704, 1660992, 1995880, 2054296, 2076240, 2336640, 2395056, 2567870, 2768320, 2993820, 3081444, 3193408, 3321984, 3851805, 3991760, 4108592, 4152480, 4790112, 5135740, 5536640, 5987640, 6162888, 6386816, 7703610, 7983520, 8217184, 8304960, 9580224, 10271480, 10528267, 11975280, 12325776, 15407220, 15967040, 16434368, 16609920, 19160448, 20542960, 21056534, 23950560, 24651552, 30814440, 31584801, 31934080, 32868736, 41085920, 42113068, 47901120, 49303104, 52641335, 61628880, 63169602, 82171840, 84226136, 95802240, 98606208, 105282670, 123257760, 126339204, 157924005, 164343680, 168452272, 210565340, 246515520, 252678408, 315848010, 336904544, 421130680, 493031040, 505356816, 631696020, 673809088, 842261360, 1010713632, 1263392040, 1347618176, 1684522720, 2021427264, 2526784080, 3369045440, 4042854528, 5053568160, 6738090880, 10107136320, 20214272640]

約数ペア:

[(1, 20214272640), (2, 10107136320), (3, 6738090880), (4, 5053568160), (5, 4042854528), (6, 3369045440), (8, 2526784080), (10, 2021427264), (12, 1684522720), (15, 1347618176), (16, 1263392040), (20, 1010713632), (24, 842261360), (30, 673809088), (32, 631696020), (40, 505356816), (41, 493031040), (48, 421130680), (60, 336904544), (64, 315848010), (80, 252678408), (82, 246515520), (96, 210565340), (120, 168452272), (123, 164343680), (128, 157924005), (160, 126339204), (164, 123257760), (192, 105282670), (205, 98606208), (211, 95802240), (240, 84226136), (246, 82171840), (320, 63169602), (328, 61628880), (384, 52641335), (410, 49303104), (422, 47901120), (480, 42113068), (492, 41085920), (615, 32868736), (633, 31934080), (640, 31584801), (656, 30814440), (820, 24651552), (844, 23950560), (960, 21056534), (984, 20542960), (1055, 19160448), (1217, 16609920), (1230, 16434368), (1266, 15967040), (1312, 15407220), (1640, 12325776), (1688, 11975280), (1920, 10528267), (1968, 10271480), (2110, 9580224), (2434, 8304960), (2460, 8217184), (2532, 7983520), (2624, 7703610), (3165, 6386816), (3280, 6162888), (3376, 5987640), (3651, 5536640), (3936, 5135740), (4220, 4790112), (4868, 4152480), (4920, 4108592), (5064, 3991760), (5248, 3851805), (6085, 3321984), (6330, 3193408), (6560, 3081444), (6752, 2993820), (7302, 2768320), (7872, 2567870), (8440, 2395056), (8651, 2336640), (9736, 2076240), (9840, 2054296), (10128, 1995880), (12170, 1660992), (12660, 1596704), (13120, 1540722), (13504, 1496910), (14604, 1384160), (15744, 1283935), (16880, 1197528), (17302, 1168320), (18255, 1107328), (19472, 1038120), (19680, 1027148), (20256, 997940), (24340, 830496), (25320, 798352), (25953, 778880), (26240, 770361), (27008, 748455), (29208, 692080), (33760, 598764), (34604, 584160), (36510, 553664), (38944, 519060), (39360, 513574), (40512, 498970), (43255, 467328), (48680, 415248), (49897, 405120), (50640, 399176), (51906, 389440), (58416, 346040), (67520, 299382), (69208, 292080), (73020, 276832), (77888, 259530), (78720, 256787), (81024, 249485), (86510, 233664), (97360, 207624), (99794, 202560), (101280, 199588), (103812, 194720), (116832, 173020), (129765, 155776), (135040, 149691), (138416, 146040)]