254888520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1155

約数の個数: 128

約数和(自身を含む): 799856640

約数和(自身を除く): 544968120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 86, 94, 120, 129, 141, 172, 188, 215, 235, 258, 282, 344, 376, 430, 470, 516, 564, 645, 705, 860, 940, 1032, 1051, 1128, 1290, 1410, 1720, 1880, 2021, 2102, 2580, 2820, 3153, 4042, 4204, 5160, 5255, 5640, 6063, 6306, 8084, 8408, 10105, 10510, 12126, 12612, 15765, 16168, 20210, 21020, 24252, 25224, 30315, 31530, 40420, 42040, 45193, 48504, 49397, 60630, 63060, 80840, 90386, 98794, 121260, 126120, 135579, 148191, 180772, 197588, 225965, 242520, 246985, 271158, 296382, 361544, 395176, 451930, 493970, 542316, 592764, 677895, 740955, 903860, 987940, 1084632, 1185528, 1355790, 1481910, 1807720, 1975880, 2124071, 2711580, 2963820, 4248142, 5423160, 5927640, 6372213, 8496284, 10620355, 12744426, 16992568, 21240710, 25488852, 31861065, 42481420, 50977704, 63722130, 84962840, 127444260, 254888520]

約数ペア:

[(1, 254888520), (2, 127444260), (3, 84962840), (4, 63722130), (5, 50977704), (6, 42481420), (8, 31861065), (10, 25488852), (12, 21240710), (15, 16992568), (20, 12744426), (24, 10620355), (30, 8496284), (40, 6372213), (43, 5927640), (47, 5423160), (60, 4248142), (86, 2963820), (94, 2711580), (120, 2124071), (129, 1975880), (141, 1807720), (172, 1481910), (188, 1355790), (215, 1185528), (235, 1084632), (258, 987940), (282, 903860), (344, 740955), (376, 677895), (430, 592764), (470, 542316), (516, 493970), (564, 451930), (645, 395176), (705, 361544), (860, 296382), (940, 271158), (1032, 246985), (1051, 242520), (1128, 225965), (1290, 197588), (1410, 180772), (1720, 148191), (1880, 135579), (2021, 126120), (2102, 121260), (2580, 98794), (2820, 90386), (3153, 80840), (4042, 63060), (4204, 60630), (5160, 49397), (5255, 48504), (5640, 45193), (6063, 42040), (6306, 40420), (8084, 31530), (8408, 30315), (10105, 25224), (10510, 24252), (12126, 21020), (12612, 20210), (15765, 16168)]