155901780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1110

約数の個数: 96

約数和(自身を含む): 486864000

約数和(自身を除く): 330962220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 449, 540, 643, 898, 1286, 1347, 1796, 1929, 2245, 2572, 2694, 3215, 3858, 4041, 4490, 5388, 5787, 6430, 6735, 7716, 8082, 8980, 9645, 11574, 12123, 12860, 13470, 16164, 17361, 19290, 20205, 23148, 24246, 26940, 28935, 34722, 38580, 40410, 48492, 57870, 60615, 69444, 80820, 86805, 115740, 121230, 173610, 242460, 288707, 347220, 577414, 866121, 1154828, 1443535, 1732242, 2598363, 2887070, 3464484, 4330605, 5196726, 5774140, 7795089, 8661210, 10393452, 12991815, 15590178, 17322420, 25983630, 31180356, 38975445, 51967260, 77950890, 155901780]

約数ペア:

[(1, 155901780), (2, 77950890), (3, 51967260), (4, 38975445), (5, 31180356), (6, 25983630), (9, 17322420), (10, 15590178), (12, 12991815), (15, 10393452), (18, 8661210), (20, 7795089), (27, 5774140), (30, 5196726), (36, 4330605), (45, 3464484), (54, 2887070), (60, 2598363), (90, 1732242), (108, 1443535), (135, 1154828), (180, 866121), (270, 577414), (449, 347220), (540, 288707), (643, 242460), (898, 173610), (1286, 121230), (1347, 115740), (1796, 86805), (1929, 80820), (2245, 69444), (2572, 60615), (2694, 57870), (3215, 48492), (3858, 40410), (4041, 38580), (4490, 34722), (5388, 28935), (5787, 26940), (6430, 24246), (6735, 23148), (7716, 20205), (8082, 19290), (8980, 17361), (9645, 16164), (11574, 13470), (12123, 12860)]