21819013560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{32779}}^1$

素因数の和:32882

約数の個数: 144

約数和(自身を含む): 72601471800

約数和(自身を除く): 50782458240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1849, 1935, 2580, 3096, 3698, 3870, 5160, 5547, 7396, 7740, 9245, 11094, 14792, 15480, 16641, 18490, 22188, 27735, 32779, 33282, 36980, 44376, 55470, 65558, 66564, 73960, 83205, 98337, 110940, 131116, 133128, 163895, 166410, 196674, 221880, 262232, 295011, 327790, 332820, 393348, 491685, 590022, 655580, 665640, 786696, 983370, 1180044, 1311160, 1409497, 1475055, 1966740, 2360088, 2818994, 2950110, 3933480, 4228491, 5637988, 5900220, 7047485, 8456982, 11275976, 11800440, 12685473, 14094970, 16913964, 21142455, 25370946, 28189940, 33827928, 42284910, 50741892, 56379880, 60608371, 63427365, 84569820, 101483784, 121216742, 126854730, 169139640, 181825113, 242433484, 253709460, 303041855, 363650226, 484866968, 507418920, 545475339, 606083710, 727300452, 909125565, 1090950678, 1212167420, 1454600904, 1818251130, 2181901356, 2424334840, 2727376695, 3636502260, 4363802712, 5454753390, 7273004520, 10909506780, 21819013560]

約数ペア:

[(1, 21819013560), (2, 10909506780), (3, 7273004520), (4, 5454753390), (5, 4363802712), (6, 3636502260), (8, 2727376695), (9, 2424334840), (10, 2181901356), (12, 1818251130), (15, 1454600904), (18, 1212167420), (20, 1090950678), (24, 909125565), (30, 727300452), (36, 606083710), (40, 545475339), (43, 507418920), (45, 484866968), (60, 363650226), (72, 303041855), (86, 253709460), (90, 242433484), (120, 181825113), (129, 169139640), (172, 126854730), (180, 121216742), (215, 101483784), (258, 84569820), (344, 63427365), (360, 60608371), (387, 56379880), (430, 50741892), (516, 42284910), (645, 33827928), (774, 28189940), (860, 25370946), (1032, 21142455), (1290, 16913964), (1548, 14094970), (1720, 12685473), (1849, 11800440), (1935, 11275976), (2580, 8456982), (3096, 7047485), (3698, 5900220), (3870, 5637988), (5160, 4228491), (5547, 3933480), (7396, 2950110), (7740, 2818994), (9245, 2360088), (11094, 1966740), (14792, 1475055), (15480, 1409497), (16641, 1311160), (18490, 1180044), (22188, 983370), (27735, 786696), (32779, 665640), (33282, 655580), (36980, 590022), (44376, 491685), (55470, 393348), (65558, 332820), (66564, 327790), (73960, 295011), (83205, 262232), (98337, 221880), (110940, 196674), (131116, 166410), (133128, 163895)]