261635580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63197}}^1$

素因数の和:63235

約数の個数: 72

約数和(自身を含む): 828146592

約数和(自身を除く): 566511012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 63197, 126394, 189591, 252788, 315985, 379182, 568773, 631970, 758364, 947955, 1137546, 1263940, 1453531, 1895910, 2275092, 2843865, 2907062, 3791820, 4360593, 5687730, 5814124, 7267655, 8721186, 11375460, 13081779, 14535310, 17442372, 21802965, 26163558, 29070620, 43605930, 52327116, 65408895, 87211860, 130817790, 261635580]

約数ペア:

[(1, 261635580), (2, 130817790), (3, 87211860), (4, 65408895), (5, 52327116), (6, 43605930), (9, 29070620), (10, 26163558), (12, 21802965), (15, 17442372), (18, 14535310), (20, 13081779), (23, 11375460), (30, 8721186), (36, 7267655), (45, 5814124), (46, 5687730), (60, 4360593), (69, 3791820), (90, 2907062), (92, 2843865), (115, 2275092), (138, 1895910), (180, 1453531), (207, 1263940), (230, 1137546), (276, 947955), (345, 758364), (414, 631970), (460, 568773), (690, 379182), (828, 315985), (1035, 252788), (1380, 189591), (2070, 126394), (4140, 63197)]