129743920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 318193920

約数和(自身を除く): 188450000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 107, 115, 184, 214, 230, 368, 428, 460, 535, 659, 856, 920, 1070, 1318, 1712, 1840, 2140, 2461, 2636, 3295, 4280, 4922, 5272, 6590, 8560, 9844, 10544, 12305, 13180, 15157, 19688, 24610, 26360, 30314, 39376, 49220, 52720, 60628, 70513, 75785, 98440, 121256, 141026, 151570, 196880, 242512, 282052, 303140, 352565, 564104, 606280, 705130, 1128208, 1212560, 1410260, 1621799, 2820520, 3243598, 5641040, 6487196, 8108995, 12974392, 16217990, 25948784, 32435980, 64871960, 129743920]

約数ペア:

[(1, 129743920), (2, 64871960), (4, 32435980), (5, 25948784), (8, 16217990), (10, 12974392), (16, 8108995), (20, 6487196), (23, 5641040), (40, 3243598), (46, 2820520), (80, 1621799), (92, 1410260), (107, 1212560), (115, 1128208), (184, 705130), (214, 606280), (230, 564104), (368, 352565), (428, 303140), (460, 282052), (535, 242512), (659, 196880), (856, 151570), (920, 141026), (1070, 121256), (1318, 98440), (1712, 75785), (1840, 70513), (2140, 60628), (2461, 52720), (2636, 49220), (3295, 39376), (4280, 30314), (4922, 26360), (5272, 24610), (6590, 19688), (8560, 15157), (9844, 13180), (10544, 12305)]