8889772920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{31973}}^1$

素因数の和:32325

約数の個数: 128

約数和(自身を含む): 30572259840

約数和(自身を除く): 21682486920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 662, 840, 993, 1324, 1655, 1986, 2317, 2648, 3310, 3972, 4634, 4965, 6620, 6951, 7944, 9268, 9930, 11585, 13240, 13902, 18536, 19860, 23170, 27804, 31973, 34755, 39720, 46340, 55608, 63946, 69510, 92680, 95919, 127892, 139020, 159865, 191838, 223811, 255784, 278040, 319730, 383676, 447622, 479595, 639460, 671433, 767352, 895244, 959190, 1119055, 1278920, 1342866, 1790488, 1918380, 2238110, 2685732, 3357165, 3836760, 4476220, 5371464, 6714330, 8952440, 10583063, 13428660, 21166126, 26857320, 31749189, 42332252, 52915315, 63498378, 74081441, 84664504, 105830630, 126996756, 148162882, 158745945, 211661260, 222244323, 253993512, 296325764, 317491890, 370407205, 423322520, 444488646, 592651528, 634983780, 740814410, 888977292, 1111221615, 1269967560, 1481628820, 1777954584, 2222443230, 2963257640, 4444886460, 8889772920]

約数ペア:

[(1, 8889772920), (2, 4444886460), (3, 2963257640), (4, 2222443230), (5, 1777954584), (6, 1481628820), (7, 1269967560), (8, 1111221615), (10, 888977292), (12, 740814410), (14, 634983780), (15, 592651528), (20, 444488646), (21, 423322520), (24, 370407205), (28, 317491890), (30, 296325764), (35, 253993512), (40, 222244323), (42, 211661260), (56, 158745945), (60, 148162882), (70, 126996756), (84, 105830630), (105, 84664504), (120, 74081441), (140, 63498378), (168, 52915315), (210, 42332252), (280, 31749189), (331, 26857320), (420, 21166126), (662, 13428660), (840, 10583063), (993, 8952440), (1324, 6714330), (1655, 5371464), (1986, 4476220), (2317, 3836760), (2648, 3357165), (3310, 2685732), (3972, 2238110), (4634, 1918380), (4965, 1790488), (6620, 1342866), (6951, 1278920), (7944, 1119055), (9268, 959190), (9930, 895244), (11585, 767352), (13240, 671433), (13902, 639460), (18536, 479595), (19860, 447622), (23170, 383676), (27804, 319730), (31973, 278040), (34755, 255784), (39720, 223811), (46340, 191838), (55608, 159865), (63946, 139020), (69510, 127892), (92680, 95919)]