61781020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15217}}^1$

素因数の和:15262

約数の個数: 48

約数和(自身を含む): 153397440

約数和(自身を除く): 91616420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15217, 30434, 60868, 76085, 106519, 152170, 213038, 304340, 426076, 441293, 532595, 882586, 1065190, 1765172, 2130380, 2206465, 3089051, 4412930, 6178102, 8825860, 12356204, 15445255, 30890510, 61781020]

約数ペア:

[(1, 61781020), (2, 30890510), (4, 15445255), (5, 12356204), (7, 8825860), (10, 6178102), (14, 4412930), (20, 3089051), (28, 2206465), (29, 2130380), (35, 1765172), (58, 1065190), (70, 882586), (116, 532595), (140, 441293), (145, 426076), (203, 304340), (290, 213038), (406, 152170), (580, 106519), (812, 76085), (1015, 60868), (2030, 30434), (4060, 15217)]