208204080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123931}}^1$

素因数の和:123954

約数の個数: 80

約数和(自身を含む): 737643264

約数和(自身を除く): 529439184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123931, 247862, 371793, 495724, 619655, 743586, 867517, 991448, 1239310, 1487172, 1735034, 1858965, 1982896, 2478620, 2602551, 2974344, 3470068, 3717930, 4337585, 4957240, 5205102, 5948688, 6940136, 7435860, 8675170, 9914480, 10410204, 13012755, 13880272, 14871720, 17350340, 20820408, 26025510, 29743440, 34700680, 41640816, 52051020, 69401360, 104102040, 208204080]

約数ペア:

[(1, 208204080), (2, 104102040), (3, 69401360), (4, 52051020), (5, 41640816), (6, 34700680), (7, 29743440), (8, 26025510), (10, 20820408), (12, 17350340), (14, 14871720), (15, 13880272), (16, 13012755), (20, 10410204), (21, 9914480), (24, 8675170), (28, 7435860), (30, 6940136), (35, 5948688), (40, 5205102), (42, 4957240), (48, 4337585), (56, 3717930), (60, 3470068), (70, 2974344), (80, 2602551), (84, 2478620), (105, 1982896), (112, 1858965), (120, 1735034), (140, 1487172), (168, 1239310), (210, 991448), (240, 867517), (280, 743586), (336, 619655), (420, 495724), (560, 371793), (840, 247862), (1680, 123931)]