138672640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2893

約数の個数: 80

約数和(自身を含む): 350111520

約数和(自身を除く): 211438880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 2851, 3040, 4864, 5702, 6080, 9728, 11404, 12160, 14255, 22808, 24320, 28510, 45616, 48640, 54169, 57020, 91232, 108338, 114040, 182464, 216676, 228080, 270845, 364928, 433352, 456160, 541690, 729856, 866704, 912320, 1083380, 1459712, 1733408, 1824640, 2166760, 3466816, 3649280, 4333520, 6933632, 7298560, 8667040, 13867264, 17334080, 27734528, 34668160, 69336320, 138672640]

約数ペア:

[(1, 138672640), (2, 69336320), (4, 34668160), (5, 27734528), (8, 17334080), (10, 13867264), (16, 8667040), (19, 7298560), (20, 6933632), (32, 4333520), (38, 3649280), (40, 3466816), (64, 2166760), (76, 1824640), (80, 1733408), (95, 1459712), (128, 1083380), (152, 912320), (160, 866704), (190, 729856), (256, 541690), (304, 456160), (320, 433352), (380, 364928), (512, 270845), (608, 228080), (640, 216676), (760, 182464), (1216, 114040), (1280, 108338), (1520, 91232), (2432, 57020), (2560, 54169), (2851, 48640), (3040, 45616), (4864, 28510), (5702, 24320), (6080, 22808), (9728, 14255), (11404, 12160)]