2788897520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 7124544000

約数和(自身を除く): 4335646480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 151, 152, 190, 232, 290, 302, 304, 380, 419, 464, 551, 580, 604, 755, 760, 838, 1102, 1160, 1208, 1510, 1520, 1676, 2095, 2204, 2320, 2416, 2755, 2869, 3020, 3352, 4190, 4379, 4408, 5510, 5738, 6040, 6704, 7961, 8380, 8758, 8816, 11020, 11476, 12080, 12151, 14345, 15922, 16760, 17516, 21895, 22040, 22952, 24302, 28690, 31844, 33520, 35032, 39805, 43790, 44080, 45904, 48604, 57380, 60755, 63269, 63688, 70064, 79610, 83201, 87580, 97208, 114760, 121510, 126538, 127376, 159220, 166402, 175160, 194416, 229520, 230869, 243020, 253076, 316345, 318440, 332804, 350320, 416005, 461738, 486040, 506152, 632690, 636880, 665608, 832010, 923476, 972080, 1012304, 1154345, 1202111, 1265380, 1331216, 1664020, 1834801, 1846952, 2308690, 2404222, 2530760, 3328040, 3669602, 3693904, 4617380, 4808444, 5061520, 6010555, 6656080, 7339204, 9174005, 9234760, 9616888, 12021110, 14678408, 18348010, 18469520, 19233776, 24042220, 29356816, 34861219, 36696020, 48084440, 69722438, 73392040, 96168880, 139444876, 146784080, 174306095, 278889752, 348612190, 557779504, 697224380, 1394448760, 2788897520]

約数ペア:

[(1, 2788897520), (2, 1394448760), (4, 697224380), (5, 557779504), (8, 348612190), (10, 278889752), (16, 174306095), (19, 146784080), (20, 139444876), (29, 96168880), (38, 73392040), (40, 69722438), (58, 48084440), (76, 36696020), (80, 34861219), (95, 29356816), (116, 24042220), (145, 19233776), (151, 18469520), (152, 18348010), (190, 14678408), (232, 12021110), (290, 9616888), (302, 9234760), (304, 9174005), (380, 7339204), (419, 6656080), (464, 6010555), (551, 5061520), (580, 4808444), (604, 4617380), (755, 3693904), (760, 3669602), (838, 3328040), (1102, 2530760), (1160, 2404222), (1208, 2308690), (1510, 1846952), (1520, 1834801), (1676, 1664020), (2095, 1331216), (2204, 1265380), (2320, 1202111), (2416, 1154345), (2755, 1012304), (2869, 972080), (3020, 923476), (3352, 832010), (4190, 665608), (4379, 636880), (4408, 632690), (5510, 506152), (5738, 486040), (6040, 461738), (6704, 416005), (7961, 350320), (8380, 332804), (8758, 318440), (8816, 316345), (11020, 253076), (11476, 243020), (12080, 230869), (12151, 229520), (14345, 194416), (15922, 175160), (16760, 166402), (17516, 159220), (21895, 127376), (22040, 126538), (22952, 121510), (24302, 114760), (28690, 97208), (31844, 87580), (33520, 83201), (35032, 79610), (39805, 70064), (43790, 63688), (44080, 63269), (45904, 60755), (48604, 57380)]