157213840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{733}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 419401728

約数和(自身を除く): 262187888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 383, 560, 733, 766, 1466, 1532, 1915, 2681, 2932, 3064, 3665, 3830, 5131, 5362, 5864, 6128, 7330, 7660, 10262, 10724, 11728, 13405, 14660, 15320, 20524, 21448, 25655, 26810, 29320, 30640, 41048, 42896, 51310, 53620, 58640, 82096, 102620, 107240, 205240, 214480, 280739, 410480, 561478, 1122956, 1403695, 1965173, 2245912, 2807390, 3930346, 4491824, 5614780, 7860692, 9825865, 11229560, 15721384, 19651730, 22459120, 31442768, 39303460, 78606920, 157213840]

約数ペア:

[(1, 157213840), (2, 78606920), (4, 39303460), (5, 31442768), (7, 22459120), (8, 19651730), (10, 15721384), (14, 11229560), (16, 9825865), (20, 7860692), (28, 5614780), (35, 4491824), (40, 3930346), (56, 2807390), (70, 2245912), (80, 1965173), (112, 1403695), (140, 1122956), (280, 561478), (383, 410480), (560, 280739), (733, 214480), (766, 205240), (1466, 107240), (1532, 102620), (1915, 82096), (2681, 58640), (2932, 53620), (3064, 51310), (3665, 42896), (3830, 41048), (5131, 30640), (5362, 29320), (5864, 26810), (6128, 25655), (7330, 21448), (7660, 20524), (10262, 15320), (10724, 14660), (11728, 13405)]