257088120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 799027200

約数和(自身を除く): 541939080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 79, 94, 120, 141, 158, 188, 235, 237, 282, 316, 376, 395, 470, 474, 564, 577, 632, 705, 790, 940, 948, 1128, 1154, 1185, 1410, 1580, 1731, 1880, 1896, 2308, 2370, 2820, 2885, 3160, 3462, 3713, 4616, 4740, 5640, 5770, 6924, 7426, 8655, 9480, 11139, 11540, 13848, 14852, 17310, 18565, 22278, 23080, 27119, 29704, 34620, 37130, 44556, 45583, 54238, 55695, 69240, 74260, 81357, 89112, 91166, 108476, 111390, 135595, 136749, 148520, 162714, 182332, 216952, 222780, 227915, 271190, 273498, 325428, 364664, 406785, 445560, 455830, 542380, 546996, 650856, 683745, 813570, 911660, 1084760, 1093992, 1367490, 1627140, 1823320, 2142401, 2734980, 3254280, 4284802, 5469960, 6427203, 8569604, 10712005, 12854406, 17139208, 21424010, 25708812, 32136015, 42848020, 51417624, 64272030, 85696040, 128544060, 257088120]

約数ペア:

[(1, 257088120), (2, 128544060), (3, 85696040), (4, 64272030), (5, 51417624), (6, 42848020), (8, 32136015), (10, 25708812), (12, 21424010), (15, 17139208), (20, 12854406), (24, 10712005), (30, 8569604), (40, 6427203), (47, 5469960), (60, 4284802), (79, 3254280), (94, 2734980), (120, 2142401), (141, 1823320), (158, 1627140), (188, 1367490), (235, 1093992), (237, 1084760), (282, 911660), (316, 813570), (376, 683745), (395, 650856), (470, 546996), (474, 542380), (564, 455830), (577, 445560), (632, 406785), (705, 364664), (790, 325428), (940, 273498), (948, 271190), (1128, 227915), (1154, 222780), (1185, 216952), (1410, 182332), (1580, 162714), (1731, 148520), (1880, 136749), (1896, 135595), (2308, 111390), (2370, 108476), (2820, 91166), (2885, 89112), (3160, 81357), (3462, 74260), (3713, 69240), (4616, 55695), (4740, 54238), (5640, 45583), (5770, 44556), (6924, 37130), (7426, 34620), (8655, 29704), (9480, 27119), (11139, 23080), (11540, 22278), (13848, 18565), (14852, 17310)]