261903780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{601}}^1$

素因数の和:891

約数の個数: 120

約数和(自身を含む): 826028280

約数和(自身を除く): 564124500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 269, 270, 324, 405, 538, 540, 601, 807, 810, 1076, 1202, 1345, 1614, 1620, 1803, 2404, 2421, 2690, 3005, 3228, 3606, 4035, 4842, 5380, 5409, 6010, 7212, 7263, 8070, 9015, 9684, 10818, 12020, 12105, 14526, 16140, 16227, 18030, 21636, 21789, 24210, 27045, 29052, 32454, 36060, 36315, 43578, 48420, 48681, 54090, 64908, 72630, 81135, 87156, 97362, 108180, 108945, 145260, 161669, 162270, 194724, 217890, 243405, 323338, 324540, 435780, 485007, 486810, 646676, 808345, 970014, 973620, 1455021, 1616690, 1940028, 2425035, 2910042, 3233380, 4365063, 4850070, 5820084, 7275105, 8730126, 9700140, 13095189, 14550210, 17460252, 21825315, 26190378, 29100420, 43650630, 52380756, 65475945, 87301260, 130951890, 261903780]

約数ペア:

[(1, 261903780), (2, 130951890), (3, 87301260), (4, 65475945), (5, 52380756), (6, 43650630), (9, 29100420), (10, 26190378), (12, 21825315), (15, 17460252), (18, 14550210), (20, 13095189), (27, 9700140), (30, 8730126), (36, 7275105), (45, 5820084), (54, 4850070), (60, 4365063), (81, 3233380), (90, 2910042), (108, 2425035), (135, 1940028), (162, 1616690), (180, 1455021), (269, 973620), (270, 970014), (324, 808345), (405, 646676), (538, 486810), (540, 485007), (601, 435780), (807, 324540), (810, 323338), (1076, 243405), (1202, 217890), (1345, 194724), (1614, 162270), (1620, 161669), (1803, 145260), (2404, 108945), (2421, 108180), (2690, 97362), (3005, 87156), (3228, 81135), (3606, 72630), (4035, 64908), (4842, 54090), (5380, 48681), (5409, 48420), (6010, 43578), (7212, 36315), (7263, 36060), (8070, 32454), (9015, 29052), (9684, 27045), (10818, 24210), (12020, 21789), (12105, 21636), (14526, 18030), (16140, 16227)]