127979320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15761}}^1$

素因数の和:15808

約数の個数: 64

約数和(自身を含む): 340459200

約数和(自身を除く): 212479880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 15761, 31522, 63044, 78805, 110327, 126088, 157610, 220654, 315220, 441308, 457069, 551635, 630440, 882616, 914138, 1103270, 1828276, 2206540, 2285345, 3199483, 3656552, 4413080, 4570690, 6398966, 9141380, 12797932, 15997415, 18282760, 25595864, 31994830, 63989660, 127979320]

約数ペア:

[(1, 127979320), (2, 63989660), (4, 31994830), (5, 25595864), (7, 18282760), (8, 15997415), (10, 12797932), (14, 9141380), (20, 6398966), (28, 4570690), (29, 4413080), (35, 3656552), (40, 3199483), (56, 2285345), (58, 2206540), (70, 1828276), (116, 1103270), (140, 914138), (145, 882616), (203, 630440), (232, 551635), (280, 457069), (290, 441308), (406, 315220), (580, 220654), (812, 157610), (1015, 126088), (1160, 110327), (1624, 78805), (2030, 63044), (4060, 31522), (8120, 15761)]