1371891780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25321}}^1$

素因数の和:25386

約数の個数: 144

約数和(自身を含む): 4866685824

約数和(自身を除く): 3494794044

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, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5418, 6020, 7740, 9030, 10836, 13545, 18060, 25321, 27090, 50642, 54180, 75963, 101284, 126605, 151926, 177247, 227889, 253210, 303852, 354494, 379815, 455778, 506420, 531741, 708988, 759630, 886235, 911556, 1063482, 1088803, 1139445, 1519260, 1595223, 1772470, 2126964, 2177606, 2278890, 2658705, 3190446, 3266409, 3544940, 4355212, 4557780, 5317410, 5444015, 6380892, 6532818, 7621621, 7976115, 9799227, 10634820, 10888030, 13065636, 15243242, 15952230, 16332045, 19598454, 21776060, 22864863, 30486484, 31904460, 32664090, 38108105, 39196908, 45729726, 48996135, 65328180, 68594589, 76216210, 91459452, 97992270, 114324315, 137189178, 152432420, 195984540, 228648630, 274378356, 342972945, 457297260, 685945890, 1371891780]

約数ペア:

[(1, 1371891780), (2, 685945890), (3, 457297260), (4, 342972945), (5, 274378356), (6, 228648630), (7, 195984540), (9, 152432420), (10, 137189178), (12, 114324315), (14, 97992270), (15, 91459452), (18, 76216210), (20, 68594589), (21, 65328180), (28, 48996135), (30, 45729726), (35, 39196908), (36, 38108105), (42, 32664090), (43, 31904460), (45, 30486484), (60, 22864863), (63, 21776060), (70, 19598454), (84, 16332045), (86, 15952230), (90, 15243242), (105, 13065636), (126, 10888030), (129, 10634820), (140, 9799227), (172, 7976115), (180, 7621621), (210, 6532818), (215, 6380892), (252, 5444015), (258, 5317410), (301, 4557780), (315, 4355212), (387, 3544940), (420, 3266409), (430, 3190446), (516, 2658705), (602, 2278890), (630, 2177606), (645, 2126964), (774, 1772470), (860, 1595223), (903, 1519260), (1204, 1139445), (1260, 1088803), (1290, 1063482), (1505, 911556), (1548, 886235), (1806, 759630), (1935, 708988), (2580, 531741), (2709, 506420), (3010, 455778), (3612, 379815), (3870, 354494), (4515, 303852), (5418, 253210), (6020, 227889), (7740, 177247), (9030, 151926), (10836, 126605), (13545, 101284), (18060, 75963), (25321, 54180), (27090, 50642)]