71957560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 172893600

約数和(自身を除く): 100936040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1297, 1387, 1460, 2594, 2774, 2920, 5188, 5548, 6485, 6935, 10376, 11096, 12970, 13870, 24643, 25940, 27740, 49286, 51880, 55480, 94681, 98572, 123215, 189362, 197144, 246430, 378724, 473405, 492860, 757448, 946810, 985720, 1798939, 1893620, 3597878, 3787240, 7195756, 8994695, 14391512, 17989390, 35978780, 71957560]

約数ペア:

[(1, 71957560), (2, 35978780), (4, 17989390), (5, 14391512), (8, 8994695), (10, 7195756), (19, 3787240), (20, 3597878), (38, 1893620), (40, 1798939), (73, 985720), (76, 946810), (95, 757448), (146, 492860), (152, 473405), (190, 378724), (292, 246430), (365, 197144), (380, 189362), (584, 123215), (730, 98572), (760, 94681), (1297, 55480), (1387, 51880), (1460, 49286), (2594, 27740), (2774, 25940), (2920, 24643), (5188, 13870), (5548, 12970), (6485, 11096), (6935, 10376)]