65720340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 144

約数和(自身を含む): 233321088

約数和(自身を除く): 167600748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1213, 1260, 1290, 1505, 1548, 1806, 1935, 2426, 2580, 2709, 3010, 3612, 3639, 3870, 4515, 4852, 5418, 6020, 6065, 7278, 7740, 8491, 9030, 10836, 10917, 12130, 13545, 14556, 16982, 18060, 18195, 21834, 24260, 25473, 27090, 33964, 36390, 42455, 43668, 50946, 52159, 54180, 54585, 72780, 76419, 84910, 101892, 104318, 109170, 127365, 152838, 156477, 169820, 208636, 218340, 254730, 260795, 305676, 312954, 365113, 382095, 469431, 509460, 521590, 625908, 730226, 764190, 782385, 938862, 1043180, 1095339, 1460452, 1528380, 1564770, 1825565, 1877724, 2190678, 2347155, 3129540, 3286017, 3651130, 4381356, 4694310, 5476695, 6572034, 7302260, 9388620, 10953390, 13144068, 16430085, 21906780, 32860170, 65720340]

約数ペア:

[(1, 65720340), (2, 32860170), (3, 21906780), (4, 16430085), (5, 13144068), (6, 10953390), (7, 9388620), (9, 7302260), (10, 6572034), (12, 5476695), (14, 4694310), (15, 4381356), (18, 3651130), (20, 3286017), (21, 3129540), (28, 2347155), (30, 2190678), (35, 1877724), (36, 1825565), (42, 1564770), (43, 1528380), (45, 1460452), (60, 1095339), (63, 1043180), (70, 938862), (84, 782385), (86, 764190), (90, 730226), (105, 625908), (126, 521590), (129, 509460), (140, 469431), (172, 382095), (180, 365113), (210, 312954), (215, 305676), (252, 260795), (258, 254730), (301, 218340), (315, 208636), (387, 169820), (420, 156477), (430, 152838), (516, 127365), (602, 109170), (630, 104318), (645, 101892), (774, 84910), (860, 76419), (903, 72780), (1204, 54585), (1213, 54180), (1260, 52159), (1290, 50946), (1505, 43668), (1548, 42455), (1806, 36390), (1935, 33964), (2426, 27090), (2580, 25473), (2709, 24260), (3010, 21834), (3612, 18195), (3639, 18060), (3870, 16982), (4515, 14556), (4852, 13545), (5418, 12130), (6020, 10917), (6065, 10836), (7278, 9030), (7740, 8491)]