51263790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 126688320

約数和(自身を除く): 75424530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 109, 122, 183, 218, 257, 305, 327, 366, 514, 545, 610, 654, 771, 915, 1090, 1285, 1542, 1635, 1830, 2570, 3270, 3855, 6649, 7710, 13298, 15677, 19947, 28013, 31354, 33245, 39894, 47031, 56026, 66490, 78385, 84039, 94062, 99735, 140065, 156770, 168078, 199470, 235155, 280130, 420195, 470310, 840390, 1708793, 3417586, 5126379, 8543965, 10252758, 17087930, 25631895, 51263790]

約数ペア:

[(1, 51263790), (2, 25631895), (3, 17087930), (5, 10252758), (6, 8543965), (10, 5126379), (15, 3417586), (30, 1708793), (61, 840390), (109, 470310), (122, 420195), (183, 280130), (218, 235155), (257, 199470), (305, 168078), (327, 156770), (366, 140065), (514, 99735), (545, 94062), (610, 84039), (654, 78385), (771, 66490), (915, 56026), (1090, 47031), (1285, 39894), (1542, 33245), (1635, 31354), (1830, 28013), (2570, 19947), (3270, 15677), (3855, 13298), (6649, 7710)]