71782912

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 80

約数和(自身を含む): 155168640

約数和(自身を除く): 83385728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 157, 188, 256, 304, 314, 376, 512, 608, 628, 752, 893, 1216, 1256, 1504, 1786, 2432, 2512, 2983, 3008, 3572, 4864, 5024, 5966, 6016, 7144, 7379, 9728, 10048, 11932, 12032, 14288, 14758, 20096, 23864, 24064, 28576, 29516, 40192, 47728, 57152, 59032, 80384, 95456, 114304, 118064, 140201, 190912, 228608, 236128, 280402, 381824, 457216, 472256, 560804, 763648, 944512, 1121608, 1527296, 1889024, 2243216, 3778048, 4486432, 8972864, 17945728, 35891456, 71782912]

約数ペア:

[(1, 71782912), (2, 35891456), (4, 17945728), (8, 8972864), (16, 4486432), (19, 3778048), (32, 2243216), (38, 1889024), (47, 1527296), (64, 1121608), (76, 944512), (94, 763648), (128, 560804), (152, 472256), (157, 457216), (188, 381824), (256, 280402), (304, 236128), (314, 228608), (376, 190912), (512, 140201), (608, 118064), (628, 114304), (752, 95456), (893, 80384), (1216, 59032), (1256, 57152), (1504, 47728), (1786, 40192), (2432, 29516), (2512, 28576), (2983, 24064), (3008, 23864), (3572, 20096), (4864, 14758), (5024, 14288), (5966, 12032), (6016, 11932), (7144, 10048), (7379, 9728)]