217880880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2523

約数の個数: 160

約数和(自身を含む): 786806784

約数和(自身を除く): 568925904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 530, 560, 636, 742, 795, 840, 848, 1060, 1113, 1272, 1484, 1590, 1680, 1855, 2120, 2226, 2447, 2544, 2968, 3180, 3710, 4240, 4452, 4894, 5565, 5936, 6360, 7341, 7420, 8904, 9788, 11130, 12235, 12720, 14682, 14840, 17129, 17808, 19576, 22260, 24470, 29364, 29680, 34258, 36705, 39152, 44520, 48940, 51387, 58728, 68516, 73410, 85645, 89040, 97880, 102774, 117456, 129691, 137032, 146820, 171290, 195760, 205548, 256935, 259382, 274064, 293640, 342580, 389073, 411096, 513870, 518764, 587280, 648455, 685160, 778146, 822192, 907837, 1027740, 1037528, 1296910, 1370320, 1556292, 1815674, 1945365, 2055480, 2075056, 2593820, 2723511, 3112584, 3631348, 3890730, 4110960, 4539185, 5187640, 5447022, 6225168, 7262696, 7781460, 9078370, 10375280, 10894044, 13617555, 14525392, 15562920, 18156740, 21788088, 27235110, 31125840, 36313480, 43576176, 54470220, 72626960, 108940440, 217880880]

約数ペア:

[(1, 217880880), (2, 108940440), (3, 72626960), (4, 54470220), (5, 43576176), (6, 36313480), (7, 31125840), (8, 27235110), (10, 21788088), (12, 18156740), (14, 15562920), (15, 14525392), (16, 13617555), (20, 10894044), (21, 10375280), (24, 9078370), (28, 7781460), (30, 7262696), (35, 6225168), (40, 5447022), (42, 5187640), (48, 4539185), (53, 4110960), (56, 3890730), (60, 3631348), (70, 3112584), (80, 2723511), (84, 2593820), (105, 2075056), (106, 2055480), (112, 1945365), (120, 1815674), (140, 1556292), (159, 1370320), (168, 1296910), (210, 1037528), (212, 1027740), (240, 907837), (265, 822192), (280, 778146), (318, 685160), (336, 648455), (371, 587280), (420, 518764), (424, 513870), (530, 411096), (560, 389073), (636, 342580), (742, 293640), (795, 274064), (840, 259382), (848, 256935), (1060, 205548), (1113, 195760), (1272, 171290), (1484, 146820), (1590, 137032), (1680, 129691), (1855, 117456), (2120, 102774), (2226, 97880), (2447, 89040), (2544, 85645), (2968, 73410), (3180, 68516), (3710, 58728), (4240, 51387), (4452, 48940), (4894, 44520), (5565, 39152), (5936, 36705), (6360, 34258), (7341, 29680), (7420, 29364), (8904, 24470), (9788, 22260), (11130, 19576), (12235, 17808), (12720, 17129), (14682, 14840)]