28404240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6229}}^1$

素因数の和:6264

約数の個数: 80

約数和(自身を含む): 92702400

約数和(自身を除く): 64298160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6229, 12458, 18687, 24916, 31145, 37374, 49832, 62290, 74748, 93435, 99664, 118351, 124580, 149496, 186870, 236702, 249160, 298992, 355053, 373740, 473404, 498320, 591755, 710106, 747480, 946808, 1183510, 1420212, 1494960, 1775265, 1893616, 2367020, 2840424, 3550530, 4734040, 5680848, 7101060, 9468080, 14202120, 28404240]

約数ペア:

[(1, 28404240), (2, 14202120), (3, 9468080), (4, 7101060), (5, 5680848), (6, 4734040), (8, 3550530), (10, 2840424), (12, 2367020), (15, 1893616), (16, 1775265), (19, 1494960), (20, 1420212), (24, 1183510), (30, 946808), (38, 747480), (40, 710106), (48, 591755), (57, 498320), (60, 473404), (76, 373740), (80, 355053), (95, 298992), (114, 249160), (120, 236702), (152, 186870), (190, 149496), (228, 124580), (240, 118351), (285, 99664), (304, 93435), (380, 74748), (456, 62290), (570, 49832), (760, 37374), (912, 31145), (1140, 24916), (1520, 18687), (2280, 12458), (4560, 6229)]