3128280

素因数分解:

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

素因数の和:344

約数の個数: 64

約数和(自身を含む): 9504000

約数和(自身を除く): 6375720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 199, 262, 393, 398, 524, 597, 655, 786, 796, 995, 1048, 1194, 1310, 1572, 1592, 1965, 1990, 2388, 2620, 2985, 3144, 3930, 3980, 4776, 5240, 5970, 7860, 7960, 11940, 15720, 23880, 26069, 52138, 78207, 104276, 130345, 156414, 208552, 260690, 312828, 391035, 521380, 625656, 782070, 1042760, 1564140, 3128280]

約数ペア:

[(1, 3128280), (2, 1564140), (3, 1042760), (4, 782070), (5, 625656), (6, 521380), (8, 391035), (10, 312828), (12, 260690), (15, 208552), (20, 156414), (24, 130345), (30, 104276), (40, 78207), (60, 52138), (120, 26069), (131, 23880), (199, 15720), (262, 11940), (393, 7960), (398, 7860), (524, 5970), (597, 5240), (655, 4776), (786, 3980), (796, 3930), (995, 3144), (1048, 2985), (1194, 2620), (1310, 2388), (1572, 1990), (1592, 1965)]