1325340

素因数分解:

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

素因数の和:251

約数の個数: 72

約数和(自身を含む): 4149600

約数和(自身を除く): 2824260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 199, 222, 333, 370, 398, 444, 555, 597, 666, 740, 796, 995, 1110, 1194, 1332, 1665, 1791, 1990, 2220, 2388, 2985, 3330, 3582, 3980, 5970, 6660, 7164, 7363, 8955, 11940, 14726, 17910, 22089, 29452, 35820, 36815, 44178, 66267, 73630, 88356, 110445, 132534, 147260, 220890, 265068, 331335, 441780, 662670, 1325340]

約数ペア:

[(1, 1325340), (2, 662670), (3, 441780), (4, 331335), (5, 265068), (6, 220890), (9, 147260), (10, 132534), (12, 110445), (15, 88356), (18, 73630), (20, 66267), (30, 44178), (36, 36815), (37, 35820), (45, 29452), (60, 22089), (74, 17910), (90, 14726), (111, 11940), (148, 8955), (180, 7363), (185, 7164), (199, 6660), (222, 5970), (333, 3980), (370, 3582), (398, 3330), (444, 2985), (555, 2388), (597, 2220), (666, 1990), (740, 1791), (796, 1665), (995, 1332), (1110, 1194)]