210579280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 549964800

約数和(自身を除く): 339385520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 41, 62, 76, 80, 82, 95, 109, 124, 152, 155, 164, 190, 205, 218, 248, 304, 310, 328, 380, 410, 436, 496, 545, 589, 620, 656, 760, 779, 820, 872, 1090, 1178, 1240, 1271, 1520, 1558, 1640, 1744, 2071, 2180, 2356, 2480, 2542, 2945, 3116, 3280, 3379, 3895, 4142, 4360, 4469, 4712, 5084, 5890, 6232, 6355, 6758, 7790, 8284, 8720, 8938, 9424, 10168, 10355, 11780, 12464, 12710, 13516, 15580, 16568, 16895, 17876, 20336, 20710, 22345, 23560, 24149, 25420, 27032, 31160, 33136, 33790, 35752, 41420, 44690, 47120, 48298, 50840, 54064, 62320, 64201, 67580, 71504, 82840, 84911, 89380, 96596, 101680, 120745, 128402, 135160, 138539, 165680, 169822, 178760, 193192, 241490, 256804, 270320, 277078, 321005, 339644, 357520, 386384, 424555, 482980, 513608, 554156, 642010, 679288, 692695, 849110, 965960, 1027216, 1108312, 1284020, 1358576, 1385390, 1698220, 1931920, 2216624, 2568040, 2632241, 2770780, 3396440, 5136080, 5264482, 5541560, 6792880, 10528964, 11083120, 13161205, 21057928, 26322410, 42115856, 52644820, 105289640, 210579280]

約数ペア:

[(1, 210579280), (2, 105289640), (4, 52644820), (5, 42115856), (8, 26322410), (10, 21057928), (16, 13161205), (19, 11083120), (20, 10528964), (31, 6792880), (38, 5541560), (40, 5264482), (41, 5136080), (62, 3396440), (76, 2770780), (80, 2632241), (82, 2568040), (95, 2216624), (109, 1931920), (124, 1698220), (152, 1385390), (155, 1358576), (164, 1284020), (190, 1108312), (205, 1027216), (218, 965960), (248, 849110), (304, 692695), (310, 679288), (328, 642010), (380, 554156), (410, 513608), (436, 482980), (496, 424555), (545, 386384), (589, 357520), (620, 339644), (656, 321005), (760, 277078), (779, 270320), (820, 256804), (872, 241490), (1090, 193192), (1178, 178760), (1240, 169822), (1271, 165680), (1520, 138539), (1558, 135160), (1640, 128402), (1744, 120745), (2071, 101680), (2180, 96596), (2356, 89380), (2480, 84911), (2542, 82840), (2945, 71504), (3116, 67580), (3280, 64201), (3379, 62320), (3895, 54064), (4142, 50840), (4360, 48298), (4469, 47120), (4712, 44690), (5084, 41420), (5890, 35752), (6232, 33790), (6355, 33136), (6758, 31160), (7790, 27032), (8284, 25420), (8720, 24149), (8938, 23560), (9424, 22345), (10168, 20710), (10355, 20336), (11780, 17876), (12464, 16895), (12710, 16568), (13516, 15580)]