77778960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 280077312

約数和(自身を除く): 202298352

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, 67, 70, 80, 84, 105, 112, 120, 134, 140, 168, 201, 210, 240, 268, 280, 335, 336, 402, 420, 469, 536, 560, 670, 691, 804, 840, 938, 1005, 1072, 1340, 1382, 1407, 1608, 1680, 1876, 2010, 2073, 2345, 2680, 2764, 2814, 3216, 3455, 3752, 4020, 4146, 4690, 4837, 5360, 5528, 5628, 6910, 7035, 7504, 8040, 8292, 9380, 9674, 10365, 11056, 11256, 13820, 14070, 14511, 16080, 16584, 18760, 19348, 20730, 22512, 24185, 27640, 28140, 29022, 33168, 37520, 38696, 41460, 46297, 48370, 55280, 56280, 58044, 72555, 77392, 82920, 92594, 96740, 112560, 116088, 138891, 145110, 165840, 185188, 193480, 231485, 232176, 277782, 290220, 324079, 370376, 386960, 462970, 555564, 580440, 648158, 694455, 740752, 925940, 972237, 1111128, 1160880, 1296316, 1388910, 1620395, 1851880, 1944474, 2222256, 2592632, 2777820, 3240790, 3703760, 3888948, 4861185, 5185264, 5555640, 6481580, 7777896, 9722370, 11111280, 12963160, 15555792, 19444740, 25926320, 38889480, 77778960]

約数ペア:

[(1, 77778960), (2, 38889480), (3, 25926320), (4, 19444740), (5, 15555792), (6, 12963160), (7, 11111280), (8, 9722370), (10, 7777896), (12, 6481580), (14, 5555640), (15, 5185264), (16, 4861185), (20, 3888948), (21, 3703760), (24, 3240790), (28, 2777820), (30, 2592632), (35, 2222256), (40, 1944474), (42, 1851880), (48, 1620395), (56, 1388910), (60, 1296316), (67, 1160880), (70, 1111128), (80, 972237), (84, 925940), (105, 740752), (112, 694455), (120, 648158), (134, 580440), (140, 555564), (168, 462970), (201, 386960), (210, 370376), (240, 324079), (268, 290220), (280, 277782), (335, 232176), (336, 231485), (402, 193480), (420, 185188), (469, 165840), (536, 145110), (560, 138891), (670, 116088), (691, 112560), (804, 96740), (840, 92594), (938, 82920), (1005, 77392), (1072, 72555), (1340, 58044), (1382, 56280), (1407, 55280), (1608, 48370), (1680, 46297), (1876, 41460), (2010, 38696), (2073, 37520), (2345, 33168), (2680, 29022), (2764, 28140), (2814, 27640), (3216, 24185), (3455, 22512), (3752, 20730), (4020, 19348), (4146, 18760), (4690, 16584), (4837, 16080), (5360, 14511), (5528, 14070), (5628, 13820), (6910, 11256), (7035, 11056), (7504, 10365), (8040, 9674), (8292, 9380)]