131115420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19687}}^1$

素因数の和:19739

約数の個数: 72

約数和(自身を含む): 408486624

約数和(自身を除く): 277371204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 19687, 39374, 59061, 78748, 98435, 118122, 177183, 196870, 236244, 295305, 354366, 393740, 590610, 708732, 728419, 885915, 1181220, 1456838, 1771830, 2185257, 2913676, 3543660, 3642095, 4370514, 6555771, 7284190, 8741028, 10926285, 13111542, 14568380, 21852570, 26223084, 32778855, 43705140, 65557710, 131115420]

約数ペア:

[(1, 131115420), (2, 65557710), (3, 43705140), (4, 32778855), (5, 26223084), (6, 21852570), (9, 14568380), (10, 13111542), (12, 10926285), (15, 8741028), (18, 7284190), (20, 6555771), (30, 4370514), (36, 3642095), (37, 3543660), (45, 2913676), (60, 2185257), (74, 1771830), (90, 1456838), (111, 1181220), (148, 885915), (180, 728419), (185, 708732), (222, 590610), (333, 393740), (370, 354366), (444, 295305), (555, 236244), (666, 196870), (740, 177183), (1110, 118122), (1332, 98435), (1665, 78748), (2220, 59061), (3330, 39374), (6660, 19687)]