28562520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:977

約数の個数: 128

約数和(自身を含む): 100684800

約数和(自身を除く): 72122280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 919, 1036, 1110, 1295, 1480, 1554, 1838, 2072, 2220, 2590, 2757, 3108, 3676, 3885, 4440, 4595, 5180, 5514, 6216, 6433, 7352, 7770, 9190, 10360, 11028, 12866, 13785, 15540, 18380, 19299, 22056, 25732, 27570, 31080, 32165, 34003, 36760, 38598, 51464, 55140, 64330, 68006, 77196, 96495, 102009, 110280, 128660, 136012, 154392, 170015, 192990, 204018, 238021, 257320, 272024, 340030, 385980, 408036, 476042, 510045, 680060, 714063, 771960, 816072, 952084, 1020090, 1190105, 1360120, 1428126, 1904168, 2040180, 2380210, 2856252, 3570315, 4080360, 4760420, 5712504, 7140630, 9520840, 14281260, 28562520]

約数ペア:

[(1, 28562520), (2, 14281260), (3, 9520840), (4, 7140630), (5, 5712504), (6, 4760420), (7, 4080360), (8, 3570315), (10, 2856252), (12, 2380210), (14, 2040180), (15, 1904168), (20, 1428126), (21, 1360120), (24, 1190105), (28, 1020090), (30, 952084), (35, 816072), (37, 771960), (40, 714063), (42, 680060), (56, 510045), (60, 476042), (70, 408036), (74, 385980), (84, 340030), (105, 272024), (111, 257320), (120, 238021), (140, 204018), (148, 192990), (168, 170015), (185, 154392), (210, 136012), (222, 128660), (259, 110280), (280, 102009), (296, 96495), (370, 77196), (420, 68006), (444, 64330), (518, 55140), (555, 51464), (740, 38598), (777, 36760), (840, 34003), (888, 32165), (919, 31080), (1036, 27570), (1110, 25732), (1295, 22056), (1480, 19299), (1554, 18380), (1838, 15540), (2072, 13785), (2220, 12866), (2590, 11028), (2757, 10360), (3108, 9190), (3676, 7770), (3885, 7352), (4440, 6433), (4595, 6216), (5180, 5514)]