255590040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 799211520

約数和(自身を除く): 543621480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 127, 155, 186, 248, 254, 310, 372, 381, 465, 508, 541, 620, 635, 744, 762, 930, 1016, 1082, 1240, 1270, 1524, 1623, 1860, 1905, 2164, 2540, 2705, 3048, 3246, 3720, 3810, 3937, 4328, 5080, 5410, 6492, 7620, 7874, 8115, 10820, 11811, 12984, 15240, 15748, 16230, 16771, 19685, 21640, 23622, 31496, 32460, 33542, 39370, 47244, 50313, 59055, 64920, 67084, 68707, 78740, 83855, 94488, 100626, 118110, 134168, 137414, 157480, 167710, 201252, 206121, 236220, 251565, 274828, 335420, 343535, 402504, 412242, 472440, 503130, 549656, 670840, 687070, 824484, 1006260, 1030605, 1374140, 1648968, 2012520, 2061210, 2129917, 2748280, 4122420, 4259834, 6389751, 8244840, 8519668, 10649585, 12779502, 17039336, 21299170, 25559004, 31948755, 42598340, 51118008, 63897510, 85196680, 127795020, 255590040]

約数ペア:

[(1, 255590040), (2, 127795020), (3, 85196680), (4, 63897510), (5, 51118008), (6, 42598340), (8, 31948755), (10, 25559004), (12, 21299170), (15, 17039336), (20, 12779502), (24, 10649585), (30, 8519668), (31, 8244840), (40, 6389751), (60, 4259834), (62, 4122420), (93, 2748280), (120, 2129917), (124, 2061210), (127, 2012520), (155, 1648968), (186, 1374140), (248, 1030605), (254, 1006260), (310, 824484), (372, 687070), (381, 670840), (465, 549656), (508, 503130), (541, 472440), (620, 412242), (635, 402504), (744, 343535), (762, 335420), (930, 274828), (1016, 251565), (1082, 236220), (1240, 206121), (1270, 201252), (1524, 167710), (1623, 157480), (1860, 137414), (1905, 134168), (2164, 118110), (2540, 100626), (2705, 94488), (3048, 83855), (3246, 78740), (3720, 68707), (3810, 67084), (3937, 64920), (4328, 59055), (5080, 50313), (5410, 47244), (6492, 39370), (7620, 33542), (7874, 32460), (8115, 31496), (10820, 23622), (11811, 21640), (12984, 19685), (15240, 16771), (15748, 16230)]