21029950320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{689959}}^1$

素因数の和:690102

約数の個数: 80

約数和(自身を含む): 65706270720

約数和(自身を除く): 44676320400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 689959, 1379918, 2069877, 2759836, 3449795, 4139754, 5519672, 6899590, 8279508, 10349385, 11039344, 13799180, 16559016, 20698770, 27598360, 33118032, 41397540, 55196720, 82795080, 87624793, 165590160, 175249586, 262874379, 350499172, 438123965, 525748758, 700998344, 876247930, 1051497516, 1314371895, 1401996688, 1752495860, 2102995032, 2628743790, 3504991720, 4205990064, 5257487580, 7009983440, 10514975160, 21029950320]

約数ペア:

[(1, 21029950320), (2, 10514975160), (3, 7009983440), (4, 5257487580), (5, 4205990064), (6, 3504991720), (8, 2628743790), (10, 2102995032), (12, 1752495860), (15, 1401996688), (16, 1314371895), (20, 1051497516), (24, 876247930), (30, 700998344), (40, 525748758), (48, 438123965), (60, 350499172), (80, 262874379), (120, 175249586), (127, 165590160), (240, 87624793), (254, 82795080), (381, 55196720), (508, 41397540), (635, 33118032), (762, 27598360), (1016, 20698770), (1270, 16559016), (1524, 13799180), (1905, 11039344), (2032, 10349385), (2540, 8279508), (3048, 6899590), (3810, 5519672), (5080, 4139754), (6096, 3449795), (7620, 2759836), (10160, 2069877), (15240, 1379918), (30480, 689959)]