1287730240

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{108761}}^1$

素因数の和:108815

約数の個数: 56

約数和(自身を含む): 3149312472

約数和(自身を除く): 1861582232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 11840, 108761, 217522, 435044, 543805, 870088, 1087610, 1740176, 2175220, 3480352, 4024157, 4350440, 6960704, 8048314, 8700880, 16096628, 17401760, 20120785, 32193256, 34803520, 40241570, 64386512, 80483140, 128773024, 160966280, 257546048, 321932560, 643865120, 1287730240]

約数ペア:

[(1, 1287730240), (2, 643865120), (4, 321932560), (5, 257546048), (8, 160966280), (10, 128773024), (16, 80483140), (20, 64386512), (32, 40241570), (37, 34803520), (40, 32193256), (64, 20120785), (74, 17401760), (80, 16096628), (148, 8700880), (160, 8048314), (185, 6960704), (296, 4350440), (320, 4024157), (370, 3480352), (592, 2175220), (740, 1740176), (1184, 1087610), (1480, 870088), (2368, 543805), (2960, 435044), (5920, 217522), (11840, 108761)]