255435240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4871}}^1$

素因数の和:4927

約数の個数: 128

約数和(自身を含む): 841881600

約数和(自身を除く): 586446360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 4871, 5244, 6555, 8740, 9742, 10488, 13110, 14613, 17480, 19484, 24355, 26220, 29226, 38968, 48710, 52440, 58452, 73065, 92549, 97420, 112033, 116904, 146130, 185098, 194840, 224066, 277647, 292260, 336099, 370196, 448132, 462745, 555294, 560165, 584520, 672198, 740392, 896264, 925490, 1110588, 1120330, 1344396, 1388235, 1680495, 1850980, 2128627, 2221176, 2240660, 2688792, 2776470, 3360990, 3701960, 4257254, 4481320, 5552940, 6385881, 6721980, 8514508, 10643135, 11105880, 12771762, 13443960, 17029016, 21286270, 25543524, 31929405, 42572540, 51087048, 63858810, 85145080, 127717620, 255435240]

約数ペア:

[(1, 255435240), (2, 127717620), (3, 85145080), (4, 63858810), (5, 51087048), (6, 42572540), (8, 31929405), (10, 25543524), (12, 21286270), (15, 17029016), (19, 13443960), (20, 12771762), (23, 11105880), (24, 10643135), (30, 8514508), (38, 6721980), (40, 6385881), (46, 5552940), (57, 4481320), (60, 4257254), (69, 3701960), (76, 3360990), (92, 2776470), (95, 2688792), (114, 2240660), (115, 2221176), (120, 2128627), (138, 1850980), (152, 1680495), (184, 1388235), (190, 1344396), (228, 1120330), (230, 1110588), (276, 925490), (285, 896264), (345, 740392), (380, 672198), (437, 584520), (456, 560165), (460, 555294), (552, 462745), (570, 448132), (690, 370196), (760, 336099), (874, 292260), (920, 277647), (1140, 224066), (1311, 194840), (1380, 185098), (1748, 146130), (2185, 116904), (2280, 112033), (2622, 97420), (2760, 92549), (3496, 73065), (4370, 58452), (4871, 52440), (5244, 48710), (6555, 38968), (8740, 29226), (9742, 26220), (10488, 24355), (13110, 19484), (14613, 17480)]