156740480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18839}}^1$

素因数の和:18871

約数の個数: 64

約数和(自身を含む): 403552800

約数和(自身を除く): 246812320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 18839, 37678, 75356, 94195, 150712, 188390, 244907, 301424, 376780, 489814, 602848, 753560, 979628, 1205696, 1224535, 1507120, 1959256, 2411392, 2449070, 3014240, 3918512, 4898140, 6028480, 7837024, 9796280, 12056960, 15674048, 19592560, 31348096, 39185120, 78370240, 156740480]

約数ペア:

[(1, 156740480), (2, 78370240), (4, 39185120), (5, 31348096), (8, 19592560), (10, 15674048), (13, 12056960), (16, 9796280), (20, 7837024), (26, 6028480), (32, 4898140), (40, 3918512), (52, 3014240), (64, 2449070), (65, 2411392), (80, 1959256), (104, 1507120), (128, 1224535), (130, 1205696), (160, 979628), (208, 753560), (260, 602848), (320, 489814), (416, 376780), (520, 301424), (640, 244907), (832, 188390), (1040, 150712), (1664, 94195), (2080, 75356), (4160, 37678), (8320, 18839)]