155291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647047}}^1$

素因数の和:647063

約数の個数: 40

約数和(自身を含む): 481403712

約数和(自身を除く): 326112432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647047, 1294094, 1941141, 2588188, 3235235, 3882282, 5176376, 6470470, 7764564, 9705705, 10352752, 12940940, 15529128, 19411410, 25881880, 31058256, 38822820, 51763760, 77645640, 155291280]

約数ペア:

[(1, 155291280), (2, 77645640), (3, 51763760), (4, 38822820), (5, 31058256), (6, 25881880), (8, 19411410), (10, 15529128), (12, 12940940), (15, 10352752), (16, 9705705), (20, 7764564), (24, 6470470), (30, 5176376), (40, 3882282), (48, 3235235), (60, 2588188), (80, 1941141), (120, 1294094), (240, 647047)]