71288880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 242026176

約数和(自身を除く): 170737296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 73, 78, 80, 104, 120, 130, 146, 156, 195, 208, 219, 240, 260, 292, 312, 313, 365, 390, 438, 520, 584, 624, 626, 730, 780, 876, 939, 949, 1040, 1095, 1168, 1252, 1460, 1560, 1565, 1752, 1878, 1898, 2190, 2504, 2847, 2920, 3120, 3130, 3504, 3756, 3796, 4069, 4380, 4695, 4745, 5008, 5694, 5840, 6260, 7512, 7592, 8138, 8760, 9390, 9490, 11388, 12207, 12520, 14235, 15024, 15184, 16276, 17520, 18780, 18980, 20345, 22776, 22849, 24414, 25040, 28470, 32552, 37560, 37960, 40690, 45552, 45698, 48828, 56940, 61035, 65104, 68547, 75120, 75920, 81380, 91396, 97656, 113880, 114245, 122070, 137094, 162760, 182792, 195312, 227760, 228490, 244140, 274188, 297037, 325520, 342735, 365584, 456980, 488280, 548376, 594074, 685470, 891111, 913960, 976560, 1096752, 1188148, 1370940, 1485185, 1782222, 1827920, 2376296, 2741880, 2970370, 3564444, 4455555, 4752592, 5483760, 5940740, 7128888, 8911110, 11881480, 14257776, 17822220, 23762960, 35644440, 71288880]

約数ペア:

[(1, 71288880), (2, 35644440), (3, 23762960), (4, 17822220), (5, 14257776), (6, 11881480), (8, 8911110), (10, 7128888), (12, 5940740), (13, 5483760), (15, 4752592), (16, 4455555), (20, 3564444), (24, 2970370), (26, 2741880), (30, 2376296), (39, 1827920), (40, 1782222), (48, 1485185), (52, 1370940), (60, 1188148), (65, 1096752), (73, 976560), (78, 913960), (80, 891111), (104, 685470), (120, 594074), (130, 548376), (146, 488280), (156, 456980), (195, 365584), (208, 342735), (219, 325520), (240, 297037), (260, 274188), (292, 244140), (312, 228490), (313, 227760), (365, 195312), (390, 182792), (438, 162760), (520, 137094), (584, 122070), (624, 114245), (626, 113880), (730, 97656), (780, 91396), (876, 81380), (939, 75920), (949, 75120), (1040, 68547), (1095, 65104), (1168, 61035), (1252, 56940), (1460, 48828), (1560, 45698), (1565, 45552), (1752, 40690), (1878, 37960), (1898, 37560), (2190, 32552), (2504, 28470), (2847, 25040), (2920, 24414), (3120, 22849), (3130, 22776), (3504, 20345), (3756, 18980), (3796, 18780), (4069, 17520), (4380, 16276), (4695, 15184), (4745, 15024), (5008, 14235), (5694, 12520), (5840, 12207), (6260, 11388), (7512, 9490), (7592, 9390), (8138, 8760)]