257452080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 160

約数和(自身を含む): 855748800

約数和(自身を除く): 598296720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 89, 102, 120, 136, 170, 178, 204, 240, 255, 267, 272, 340, 356, 408, 445, 510, 534, 680, 709, 712, 816, 890, 1020, 1068, 1335, 1360, 1418, 1424, 1513, 1780, 2040, 2127, 2136, 2670, 2836, 3026, 3545, 3560, 4080, 4254, 4272, 4539, 5340, 5672, 6052, 7090, 7120, 7565, 8508, 9078, 10635, 10680, 11344, 12053, 12104, 14180, 15130, 17016, 18156, 21270, 21360, 22695, 24106, 24208, 28360, 30260, 34032, 36159, 36312, 42540, 45390, 48212, 56720, 60265, 60520, 63101, 72318, 72624, 85080, 90780, 96424, 120530, 121040, 126202, 144636, 170160, 180795, 181560, 189303, 192848, 241060, 252404, 289272, 315505, 361590, 363120, 378606, 482120, 504808, 578544, 631010, 723180, 757212, 946515, 964240, 1009616, 1072717, 1262020, 1446360, 1514424, 1893030, 2145434, 2524040, 2892720, 3028848, 3218151, 3786060, 4290868, 5048080, 5363585, 6436302, 7572120, 8581736, 10727170, 12872604, 15144240, 16090755, 17163472, 21454340, 25745208, 32181510, 42908680, 51490416, 64363020, 85817360, 128726040, 257452080]

約数ペア:

[(1, 257452080), (2, 128726040), (3, 85817360), (4, 64363020), (5, 51490416), (6, 42908680), (8, 32181510), (10, 25745208), (12, 21454340), (15, 17163472), (16, 16090755), (17, 15144240), (20, 12872604), (24, 10727170), (30, 8581736), (34, 7572120), (40, 6436302), (48, 5363585), (51, 5048080), (60, 4290868), (68, 3786060), (80, 3218151), (85, 3028848), (89, 2892720), (102, 2524040), (120, 2145434), (136, 1893030), (170, 1514424), (178, 1446360), (204, 1262020), (240, 1072717), (255, 1009616), (267, 964240), (272, 946515), (340, 757212), (356, 723180), (408, 631010), (445, 578544), (510, 504808), (534, 482120), (680, 378606), (709, 363120), (712, 361590), (816, 315505), (890, 289272), (1020, 252404), (1068, 241060), (1335, 192848), (1360, 189303), (1418, 181560), (1424, 180795), (1513, 170160), (1780, 144636), (2040, 126202), (2127, 121040), (2136, 120530), (2670, 96424), (2836, 90780), (3026, 85080), (3545, 72624), (3560, 72318), (4080, 63101), (4254, 60520), (4272, 60265), (4539, 56720), (5340, 48212), (5672, 45390), (6052, 42540), (7090, 36312), (7120, 36159), (7565, 34032), (8508, 30260), (9078, 28360), (10635, 24208), (10680, 24106), (11344, 22695), (12053, 21360), (12104, 21270), (14180, 18156), (15130, 17016)]