1390757640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{399643}}^1$

素因数の和:399686

約数の個数: 64

約数和(自身を含む): 4316155200

約数和(自身を除く): 2925397560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 399643, 799286, 1198929, 1598572, 1998215, 2397858, 3197144, 3996430, 4795716, 5994645, 7992860, 9591432, 11589647, 11989290, 15985720, 23179294, 23978580, 34768941, 46358588, 47957160, 57948235, 69537882, 92717176, 115896470, 139075764, 173844705, 231792940, 278151528, 347689410, 463585880, 695378820, 1390757640]

約数ペア:

[(1, 1390757640), (2, 695378820), (3, 463585880), (4, 347689410), (5, 278151528), (6, 231792940), (8, 173844705), (10, 139075764), (12, 115896470), (15, 92717176), (20, 69537882), (24, 57948235), (29, 47957160), (30, 46358588), (40, 34768941), (58, 23978580), (60, 23179294), (87, 15985720), (116, 11989290), (120, 11589647), (145, 9591432), (174, 7992860), (232, 5994645), (290, 4795716), (348, 3996430), (435, 3197144), (580, 2397858), (696, 1998215), (870, 1598572), (1160, 1198929), (1740, 799286), (3480, 399643)]