1555142300840

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1601}}^1\times {\mathrm{25643}}^1$

素因数の和:28202

約数の個数: 64

約数和(自身を含む): 3505089620160

約数和(自身を除く): 1949947319320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1601, 1894, 3202, 3788, 4735, 6404, 7576, 8005, 9470, 12808, 16010, 18940, 25643, 32020, 37880, 51286, 64040, 102572, 128215, 205144, 256430, 512860, 1025720, 1516147, 3032294, 6064588, 7580735, 12129176, 15161470, 24283921, 30322940, 41054443, 48567842, 60645880, 82108886, 97135684, 121419605, 164217772, 194271368, 205272215, 242839210, 328435544, 410544430, 485678420, 821088860, 971356840, 1642177720, 38878557521, 77757115042, 155514230084, 194392787605, 311028460168, 388785575210, 777571150420, 1555142300840]

約数ペア:

[(1, 1555142300840), (2, 777571150420), (4, 388785575210), (5, 311028460168), (8, 194392787605), (10, 155514230084), (20, 77757115042), (40, 38878557521), (947, 1642177720), (1601, 971356840), (1894, 821088860), (3202, 485678420), (3788, 410544430), (4735, 328435544), (6404, 242839210), (7576, 205272215), (8005, 194271368), (9470, 164217772), (12808, 121419605), (16010, 97135684), (18940, 82108886), (25643, 60645880), (32020, 48567842), (37880, 41054443), (51286, 30322940), (64040, 24283921), (102572, 15161470), (128215, 12129176), (205144, 7580735), (256430, 6064588), (512860, 3032294), (1025720, 1516147)]