1288943840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{217727}}^1$

素因数の和:217779

約数の個数: 48

約数和(自身を含む): 3127444992

約数和(自身を除く): 1838501152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 217727, 435454, 870908, 1088635, 1741816, 2177270, 3483632, 4354540, 6967264, 8055899, 8709080, 16111798, 17418160, 32223596, 34836320, 40279495, 64447192, 80558990, 128894384, 161117980, 257788768, 322235960, 644471920, 1288943840]

約数ペア:

[(1, 1288943840), (2, 644471920), (4, 322235960), (5, 257788768), (8, 161117980), (10, 128894384), (16, 80558990), (20, 64447192), (32, 40279495), (37, 34836320), (40, 32223596), (74, 17418160), (80, 16111798), (148, 8709080), (160, 8055899), (185, 6967264), (296, 4354540), (370, 3483632), (592, 2177270), (740, 1741816), (1184, 1088635), (1480, 870908), (2960, 435454), (5920, 217727)]