128814660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55049}}^1$

素因数の和:55077

約数の個数: 72

約数和(自身を含む): 420802200

約数和(自身を除く): 291987540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 55049, 110098, 165147, 220196, 275245, 330294, 495441, 550490, 660588, 715637, 825735, 990882, 1100980, 1431274, 1651470, 1981764, 2146911, 2477205, 2862548, 3302940, 3578185, 4293822, 4954410, 6440733, 7156370, 8587644, 9908820, 10734555, 12881466, 14312740, 21469110, 25762932, 32203665, 42938220, 64407330, 128814660]

約数ペア:

[(1, 128814660), (2, 64407330), (3, 42938220), (4, 32203665), (5, 25762932), (6, 21469110), (9, 14312740), (10, 12881466), (12, 10734555), (13, 9908820), (15, 8587644), (18, 7156370), (20, 6440733), (26, 4954410), (30, 4293822), (36, 3578185), (39, 3302940), (45, 2862548), (52, 2477205), (60, 2146911), (65, 1981764), (78, 1651470), (90, 1431274), (117, 1100980), (130, 990882), (156, 825735), (180, 715637), (195, 660588), (234, 550490), (260, 495441), (390, 330294), (468, 275245), (585, 220196), (780, 165147), (1170, 110098), (2340, 55049)]