156405520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 382475520

約数和(自身を除く): 226070000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 334, 368, 460, 509, 668, 835, 920, 1018, 1336, 1670, 1840, 2036, 2545, 2672, 3340, 3841, 4072, 5090, 6680, 7682, 8144, 10180, 11707, 13360, 15364, 19205, 20360, 23414, 30728, 38410, 40720, 46828, 58535, 61456, 76820, 85003, 93656, 117070, 153640, 170006, 187312, 234140, 307280, 340012, 425015, 468280, 680024, 850030, 936560, 1360048, 1700060, 1955069, 3400120, 3910138, 6800240, 7820276, 9775345, 15640552, 19550690, 31281104, 39101380, 78202760, 156405520]

約数ペア:

[(1, 156405520), (2, 78202760), (4, 39101380), (5, 31281104), (8, 19550690), (10, 15640552), (16, 9775345), (20, 7820276), (23, 6800240), (40, 3910138), (46, 3400120), (80, 1955069), (92, 1700060), (115, 1360048), (167, 936560), (184, 850030), (230, 680024), (334, 468280), (368, 425015), (460, 340012), (509, 307280), (668, 234140), (835, 187312), (920, 170006), (1018, 153640), (1336, 117070), (1670, 93656), (1840, 85003), (2036, 76820), (2545, 61456), (2672, 58535), (3340, 46828), (3841, 40720), (4072, 38410), (5090, 30728), (6680, 23414), (7682, 20360), (8144, 19205), (10180, 15364), (11707, 13360)]