1980729540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{97381}}^1$

素因数の和:97509

約数の個数: 72

約数和(自身を含む): 6061445208

約数和(自身を除く): 4080715668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 4068, 5085, 6780, 10170, 20340, 97381, 194762, 292143, 389524, 486905, 584286, 876429, 973810, 1168572, 1460715, 1752858, 1947620, 2921430, 3505716, 4382145, 5842860, 8764290, 11004053, 17528580, 22008106, 33012159, 44016212, 55020265, 66024318, 99036477, 110040530, 132048636, 165060795, 198072954, 220081060, 330121590, 396145908, 495182385, 660243180, 990364770, 1980729540]

約数ペア:

[(1, 1980729540), (2, 990364770), (3, 660243180), (4, 495182385), (5, 396145908), (6, 330121590), (9, 220081060), (10, 198072954), (12, 165060795), (15, 132048636), (18, 110040530), (20, 99036477), (30, 66024318), (36, 55020265), (45, 44016212), (60, 33012159), (90, 22008106), (113, 17528580), (180, 11004053), (226, 8764290), (339, 5842860), (452, 4382145), (565, 3505716), (678, 2921430), (1017, 1947620), (1130, 1752858), (1356, 1460715), (1695, 1168572), (2034, 973810), (2260, 876429), (3390, 584286), (4068, 486905), (5085, 389524), (6780, 292143), (10170, 194762), (20340, 97381)]