67281280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 117787520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 503, 608, 640, 704, 760, 836, 880, 1006, 1045, 1216, 1408, 1520, 1672, 1760, 2012, 2090, 2432, 2515, 3040, 3344, 3520, 4024, 4180, 5030, 5533, 6080, 6688, 7040, 8048, 8360, 9557, 10060, 11066, 12160, 13376, 16096, 16720, 19114, 20120, 22132, 26752, 27665, 32192, 33440, 38228, 40240, 44264, 47785, 55330, 64384, 66880, 76456, 80480, 88528, 95570, 105127, 110660, 133760, 152912, 160960, 177056, 191140, 210254, 221320, 305824, 321920, 354112, 382280, 420508, 442640, 525635, 611648, 708224, 764560, 841016, 885280, 1051270, 1223296, 1529120, 1682032, 1770560, 2102540, 3058240, 3364064, 3541120, 4205080, 6116480, 6728128, 8410160, 13456256, 16820320, 33640640, 67281280]

約数ペア:

[(1, 67281280), (2, 33640640), (4, 16820320), (5, 13456256), (8, 8410160), (10, 6728128), (11, 6116480), (16, 4205080), (19, 3541120), (20, 3364064), (22, 3058240), (32, 2102540), (38, 1770560), (40, 1682032), (44, 1529120), (55, 1223296), (64, 1051270), (76, 885280), (80, 841016), (88, 764560), (95, 708224), (110, 611648), (128, 525635), (152, 442640), (160, 420508), (176, 382280), (190, 354112), (209, 321920), (220, 305824), (304, 221320), (320, 210254), (352, 191140), (380, 177056), (418, 160960), (440, 152912), (503, 133760), (608, 110660), (640, 105127), (704, 95570), (760, 88528), (836, 80480), (880, 76456), (1006, 66880), (1045, 64384), (1216, 55330), (1408, 47785), (1520, 44264), (1672, 40240), (1760, 38228), (2012, 33440), (2090, 32192), (2432, 27665), (2515, 26752), (3040, 22132), (3344, 20120), (3520, 19114), (4024, 16720), (4180, 16096), (5030, 13376), (5533, 12160), (6080, 11066), (6688, 10060), (7040, 9557), (8048, 8360)]