1564140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2871060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 199, 262, 393, 398, 524, 597, 655, 786, 796, 995, 1194, 1310, 1572, 1965, 1990, 2388, 2620, 2985, 3930, 3980, 5970, 7860, 11940, 26069, 52138, 78207, 104276, 130345, 156414, 260690, 312828, 391035, 521380, 782070, 1564140]

約数ペア:

[(1, 1564140), (2, 782070), (3, 521380), (4, 391035), (5, 312828), (6, 260690), (10, 156414), (12, 130345), (15, 104276), (20, 78207), (30, 52138), (60, 26069), (131, 11940), (199, 7860), (262, 5970), (393, 3980), (398, 3930), (524, 2985), (597, 2620), (655, 2388), (786, 1990), (796, 1965), (995, 1572), (1194, 1310)]