287523920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 701205120

約数和(自身を除く): 413681200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 307, 368, 460, 509, 614, 920, 1018, 1228, 1535, 1840, 2036, 2456, 2545, 3070, 4072, 4912, 5090, 6140, 7061, 8144, 10180, 11707, 12280, 14122, 20360, 23414, 24560, 28244, 35305, 40720, 46828, 56488, 58535, 70610, 93656, 112976, 117070, 141220, 156263, 187312, 234140, 282440, 312526, 468280, 564880, 625052, 781315, 936560, 1250104, 1562630, 2500208, 3125260, 3594049, 6250520, 7188098, 12501040, 14376196, 17970245, 28752392, 35940490, 57504784, 71880980, 143761960, 287523920]

約数ペア:

[(1, 287523920), (2, 143761960), (4, 71880980), (5, 57504784), (8, 35940490), (10, 28752392), (16, 17970245), (20, 14376196), (23, 12501040), (40, 7188098), (46, 6250520), (80, 3594049), (92, 3125260), (115, 2500208), (184, 1562630), (230, 1250104), (307, 936560), (368, 781315), (460, 625052), (509, 564880), (614, 468280), (920, 312526), (1018, 282440), (1228, 234140), (1535, 187312), (1840, 156263), (2036, 141220), (2456, 117070), (2545, 112976), (3070, 93656), (4072, 70610), (4912, 58535), (5090, 56488), (6140, 46828), (7061, 40720), (8144, 35305), (10180, 28244), (11707, 24560), (12280, 23414), (14122, 20360)]