64499880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 202464000

約数和(自身を除く): 137964120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 73, 74, 111, 120, 146, 148, 185, 199, 219, 222, 292, 296, 365, 370, 398, 438, 444, 555, 584, 597, 730, 740, 796, 876, 888, 995, 1095, 1110, 1194, 1460, 1480, 1592, 1752, 1990, 2190, 2220, 2388, 2701, 2920, 2985, 3980, 4380, 4440, 4776, 5402, 5970, 7363, 7960, 8103, 8760, 10804, 11940, 13505, 14527, 14726, 16206, 21608, 22089, 23880, 27010, 29054, 29452, 32412, 36815, 40515, 43581, 44178, 54020, 58108, 58904, 64824, 72635, 73630, 81030, 87162, 88356, 108040, 110445, 116216, 145270, 147260, 162060, 174324, 176712, 217905, 220890, 290540, 294520, 324120, 348648, 435810, 441780, 537499, 581080, 871620, 883560, 1074998, 1612497, 1743240, 2149996, 2687495, 3224994, 4299992, 5374990, 6449988, 8062485, 10749980, 12899976, 16124970, 21499960, 32249940, 64499880]

約数ペア:

[(1, 64499880), (2, 32249940), (3, 21499960), (4, 16124970), (5, 12899976), (6, 10749980), (8, 8062485), (10, 6449988), (12, 5374990), (15, 4299992), (20, 3224994), (24, 2687495), (30, 2149996), (37, 1743240), (40, 1612497), (60, 1074998), (73, 883560), (74, 871620), (111, 581080), (120, 537499), (146, 441780), (148, 435810), (185, 348648), (199, 324120), (219, 294520), (222, 290540), (292, 220890), (296, 217905), (365, 176712), (370, 174324), (398, 162060), (438, 147260), (444, 145270), (555, 116216), (584, 110445), (597, 108040), (730, 88356), (740, 87162), (796, 81030), (876, 73630), (888, 72635), (995, 64824), (1095, 58904), (1110, 58108), (1194, 54020), (1460, 44178), (1480, 43581), (1592, 40515), (1752, 36815), (1990, 32412), (2190, 29452), (2220, 29054), (2388, 27010), (2701, 23880), (2920, 22089), (2985, 21608), (3980, 16206), (4380, 14726), (4440, 14527), (4776, 13505), (5402, 11940), (5970, 10804), (7363, 8760), (7960, 8103)]