31553520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1890

約数の個数: 80

約数和(自身を含む): 99210912

約数和(自身を除く): 67657392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 1801, 2190, 2920, 3504, 3602, 4380, 5403, 5840, 7204, 8760, 9005, 10806, 14408, 17520, 18010, 21612, 27015, 28816, 36020, 43224, 54030, 72040, 86448, 108060, 131473, 144080, 216120, 262946, 394419, 432240, 525892, 657365, 788838, 1051784, 1314730, 1577676, 1972095, 2103568, 2629460, 3155352, 3944190, 5258920, 6310704, 7888380, 10517840, 15776760, 31553520]

約数ペア:

[(1, 31553520), (2, 15776760), (3, 10517840), (4, 7888380), (5, 6310704), (6, 5258920), (8, 3944190), (10, 3155352), (12, 2629460), (15, 2103568), (16, 1972095), (20, 1577676), (24, 1314730), (30, 1051784), (40, 788838), (48, 657365), (60, 525892), (73, 432240), (80, 394419), (120, 262946), (146, 216120), (219, 144080), (240, 131473), (292, 108060), (365, 86448), (438, 72040), (584, 54030), (730, 43224), (876, 36020), (1095, 28816), (1168, 27015), (1460, 21612), (1752, 18010), (1801, 17520), (2190, 14408), (2920, 10806), (3504, 9005), (3602, 8760), (4380, 7204), (5403, 5840)]