78964798920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{136043}}^1$

素因数の和:136755

約数の個数: 128

約数和(自身を含む): 271130250240

約数和(自身を除く): 192165451320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 691, 840, 1382, 2073, 2764, 3455, 4146, 4837, 5528, 6910, 8292, 9674, 10365, 13820, 14511, 16584, 19348, 20730, 24185, 27640, 29022, 38696, 41460, 48370, 58044, 72555, 82920, 96740, 116088, 136043, 145110, 193480, 272086, 290220, 408129, 544172, 580440, 680215, 816258, 952301, 1088344, 1360430, 1632516, 1904602, 2040645, 2720860, 2856903, 3265032, 3809204, 4081290, 4761505, 5441720, 5713806, 7618408, 8162580, 9523010, 11427612, 14284515, 16325160, 19046020, 22855224, 28569030, 38092040, 57138060, 94005713, 114276120, 188011426, 282017139, 376022852, 470028565, 564034278, 658039991, 752045704, 940057130, 1128068556, 1316079982, 1410085695, 1880114260, 1974119973, 2256137112, 2632159964, 2820171390, 3290199955, 3760228520, 3948239946, 5264319928, 5640342780, 6580399910, 7896479892, 9870599865, 11280685560, 13160799820, 15792959784, 19741199730, 26321599640, 39482399460, 78964798920]

約数ペア:

[(1, 78964798920), (2, 39482399460), (3, 26321599640), (4, 19741199730), (5, 15792959784), (6, 13160799820), (7, 11280685560), (8, 9870599865), (10, 7896479892), (12, 6580399910), (14, 5640342780), (15, 5264319928), (20, 3948239946), (21, 3760228520), (24, 3290199955), (28, 2820171390), (30, 2632159964), (35, 2256137112), (40, 1974119973), (42, 1880114260), (56, 1410085695), (60, 1316079982), (70, 1128068556), (84, 940057130), (105, 752045704), (120, 658039991), (140, 564034278), (168, 470028565), (210, 376022852), (280, 282017139), (420, 188011426), (691, 114276120), (840, 94005713), (1382, 57138060), (2073, 38092040), (2764, 28569030), (3455, 22855224), (4146, 19046020), (4837, 16325160), (5528, 14284515), (6910, 11427612), (8292, 9523010), (9674, 8162580), (10365, 7618408), (13820, 5713806), (14511, 5441720), (16584, 4761505), (19348, 4081290), (20730, 3809204), (24185, 3265032), (27640, 2856903), (29022, 2720860), (38696, 2040645), (41460, 1904602), (48370, 1632516), (58044, 1360430), (72555, 1088344), (82920, 952301), (96740, 816258), (116088, 680215), (136043, 580440), (145110, 544172), (193480, 408129), (272086, 290220)]