87356220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 291570048

約数和(自身を除く): 204213828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 691, 735, 860, 903, 980, 1204, 1290, 1382, 1470, 1505, 1806, 2073, 2107, 2580, 2764, 2940, 3010, 3455, 3612, 4146, 4214, 4515, 4837, 6020, 6321, 6910, 8292, 8428, 9030, 9674, 10365, 10535, 12642, 13820, 14511, 18060, 19348, 20730, 21070, 24185, 25284, 29022, 29713, 31605, 33859, 41460, 42140, 48370, 58044, 59426, 63210, 67718, 72555, 89139, 96740, 101577, 118852, 126420, 135436, 145110, 148565, 169295, 178278, 203154, 207991, 290220, 297130, 338590, 356556, 406308, 415982, 445695, 507885, 594260, 623973, 677180, 831964, 891390, 1015770, 1039955, 1247946, 1455937, 1782780, 2031540, 2079910, 2495892, 2911874, 3119865, 4159820, 4367811, 5823748, 6239730, 7279685, 8735622, 12479460, 14559370, 17471244, 21839055, 29118740, 43678110, 87356220]

約数ペア:

[(1, 87356220), (2, 43678110), (3, 29118740), (4, 21839055), (5, 17471244), (6, 14559370), (7, 12479460), (10, 8735622), (12, 7279685), (14, 6239730), (15, 5823748), (20, 4367811), (21, 4159820), (28, 3119865), (30, 2911874), (35, 2495892), (42, 2079910), (43, 2031540), (49, 1782780), (60, 1455937), (70, 1247946), (84, 1039955), (86, 1015770), (98, 891390), (105, 831964), (129, 677180), (140, 623973), (147, 594260), (172, 507885), (196, 445695), (210, 415982), (215, 406308), (245, 356556), (258, 338590), (294, 297130), (301, 290220), (420, 207991), (430, 203154), (490, 178278), (516, 169295), (588, 148565), (602, 145110), (645, 135436), (691, 126420), (735, 118852), (860, 101577), (903, 96740), (980, 89139), (1204, 72555), (1290, 67718), (1382, 63210), (1470, 59426), (1505, 58044), (1806, 48370), (2073, 42140), (2107, 41460), (2580, 33859), (2764, 31605), (2940, 29713), (3010, 29022), (3455, 25284), (3612, 24185), (4146, 21070), (4214, 20730), (4515, 19348), (4837, 18060), (6020, 14511), (6321, 13820), (6910, 12642), (8292, 10535), (8428, 10365), (9030, 9674)]