8169840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1647

約数の個数: 120

約数和(自身を含む): 31375968

約数和(自身を除く): 23206128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1621, 1680, 2520, 3242, 4863, 5040, 6484, 8105, 9726, 11347, 12968, 14589, 16210, 19452, 22694, 24315, 25936, 29178, 32420, 34041, 38904, 45388, 48630, 56735, 58356, 64840, 68082, 72945, 77808, 90776, 97260, 102123, 113470, 116712, 129680, 136164, 145890, 170205, 181552, 194520, 204246, 226940, 233424, 272328, 291780, 340410, 389040, 408492, 453880, 510615, 544656, 583560, 680820, 816984, 907760, 1021230, 1167120, 1361640, 1633968, 2042460, 2723280, 4084920, 8169840]

約数ペア:

[(1, 8169840), (2, 4084920), (3, 2723280), (4, 2042460), (5, 1633968), (6, 1361640), (7, 1167120), (8, 1021230), (9, 907760), (10, 816984), (12, 680820), (14, 583560), (15, 544656), (16, 510615), (18, 453880), (20, 408492), (21, 389040), (24, 340410), (28, 291780), (30, 272328), (35, 233424), (36, 226940), (40, 204246), (42, 194520), (45, 181552), (48, 170205), (56, 145890), (60, 136164), (63, 129680), (70, 116712), (72, 113470), (80, 102123), (84, 97260), (90, 90776), (105, 77808), (112, 72945), (120, 68082), (126, 64840), (140, 58356), (144, 56735), (168, 48630), (180, 45388), (210, 38904), (240, 34041), (252, 32420), (280, 29178), (315, 25936), (336, 24315), (360, 22694), (420, 19452), (504, 16210), (560, 14589), (630, 12968), (720, 11347), (840, 9726), (1008, 8105), (1260, 6484), (1621, 5040), (1680, 4863), (2520, 3242)]