257617680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 834363264

約数和(自身を除く): 576745584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 67, 74, 80, 111, 120, 134, 148, 185, 201, 222, 240, 268, 296, 335, 370, 402, 433, 444, 536, 555, 592, 670, 740, 804, 866, 888, 1005, 1072, 1110, 1299, 1340, 1480, 1608, 1732, 1776, 2010, 2165, 2220, 2479, 2598, 2680, 2960, 3216, 3464, 4020, 4330, 4440, 4958, 5196, 5360, 6495, 6928, 7437, 8040, 8660, 8880, 9916, 10392, 12395, 12990, 14874, 16021, 16080, 17320, 19832, 20784, 24790, 25980, 29011, 29748, 32042, 34640, 37185, 39664, 48063, 49580, 51960, 58022, 59496, 64084, 74370, 80105, 87033, 96126, 99160, 103920, 116044, 118992, 128168, 145055, 148740, 160210, 174066, 192252, 198320, 232088, 240315, 256336, 290110, 297480, 320420, 348132, 384504, 435165, 464176, 480630, 580220, 594960, 640840, 696264, 769008, 870330, 961260, 1073407, 1160440, 1281680, 1392528, 1740660, 1922520, 2146814, 2320880, 3220221, 3481320, 3845040, 4293628, 5367035, 6440442, 6962640, 8587256, 10734070, 12880884, 16101105, 17174512, 21468140, 25761768, 32202210, 42936280, 51523536, 64404420, 85872560, 128808840, 257617680]

約数ペア:

[(1, 257617680), (2, 128808840), (3, 85872560), (4, 64404420), (5, 51523536), (6, 42936280), (8, 32202210), (10, 25761768), (12, 21468140), (15, 17174512), (16, 16101105), (20, 12880884), (24, 10734070), (30, 8587256), (37, 6962640), (40, 6440442), (48, 5367035), (60, 4293628), (67, 3845040), (74, 3481320), (80, 3220221), (111, 2320880), (120, 2146814), (134, 1922520), (148, 1740660), (185, 1392528), (201, 1281680), (222, 1160440), (240, 1073407), (268, 961260), (296, 870330), (335, 769008), (370, 696264), (402, 640840), (433, 594960), (444, 580220), (536, 480630), (555, 464176), (592, 435165), (670, 384504), (740, 348132), (804, 320420), (866, 297480), (888, 290110), (1005, 256336), (1072, 240315), (1110, 232088), (1299, 198320), (1340, 192252), (1480, 174066), (1608, 160210), (1732, 148740), (1776, 145055), (2010, 128168), (2165, 118992), (2220, 116044), (2479, 103920), (2598, 99160), (2680, 96126), (2960, 87033), (3216, 80105), (3464, 74370), (4020, 64084), (4330, 59496), (4440, 58022), (4958, 51960), (5196, 49580), (5360, 48063), (6495, 39664), (6928, 37185), (7437, 34640), (8040, 32042), (8660, 29748), (8880, 29011), (9916, 25980), (10392, 24790), (12395, 20784), (12990, 19832), (14874, 17320), (16021, 16080)]