251588880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 240

約数和(自身を含む): 908781120

約数和(自身を除く): 657192240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 53, 57, 60, 72, 76, 80, 90, 95, 106, 114, 120, 144, 152, 159, 171, 180, 190, 212, 228, 240, 265, 285, 304, 318, 342, 347, 360, 380, 424, 456, 477, 530, 570, 636, 684, 694, 720, 760, 795, 848, 855, 912, 954, 1007, 1041, 1060, 1140, 1272, 1368, 1388, 1520, 1590, 1710, 1735, 1908, 2014, 2082, 2120, 2280, 2385, 2544, 2736, 2776, 3021, 3123, 3180, 3420, 3470, 3816, 4028, 4164, 4240, 4560, 4770, 5035, 5205, 5552, 6042, 6246, 6360, 6593, 6840, 6940, 7632, 8056, 8328, 9063, 9540, 10070, 10410, 12084, 12492, 12720, 13186, 13680, 13880, 15105, 15615, 16112, 16656, 18126, 18391, 19080, 19779, 20140, 20820, 24168, 24984, 26372, 27760, 30210, 31230, 32965, 36252, 36782, 38160, 39558, 40280, 41640, 45315, 48336, 49968, 52744, 55173, 59337, 60420, 62460, 65930, 72504, 73564, 79116, 80560, 83280, 90630, 91955, 98895, 105488, 110346, 118674, 120840, 124920, 131860, 145008, 147128, 158232, 165519, 181260, 183910, 197790, 220692, 237348, 241680, 249840, 263720, 275865, 294256, 296685, 316464, 331038, 349429, 362520, 367820, 395580, 441384, 474696, 527440, 551730, 593370, 662076, 698858, 725040, 735640, 791160, 827595, 882768, 949392, 1048287, 1103460, 1186740, 1324152, 1397716, 1471280, 1582320, 1655190, 1747145, 2096574, 2206920, 2373480, 2648304, 2795432, 3144861, 3310380, 3494290, 4193148, 4413840, 4746960, 5241435, 5590864, 6289722, 6620760, 6988580, 8386296, 10482870, 12579444, 13241520, 13977160, 15724305, 16772592, 20965740, 25158888, 27954320, 31448610, 41931480, 50317776, 62897220, 83862960, 125794440, 251588880]

約数ペア:

[(1, 251588880), (2, 125794440), (3, 83862960), (4, 62897220), (5, 50317776), (6, 41931480), (8, 31448610), (9, 27954320), (10, 25158888), (12, 20965740), (15, 16772592), (16, 15724305), (18, 13977160), (19, 13241520), (20, 12579444), (24, 10482870), (30, 8386296), (36, 6988580), (38, 6620760), (40, 6289722), (45, 5590864), (48, 5241435), (53, 4746960), (57, 4413840), (60, 4193148), (72, 3494290), (76, 3310380), (80, 3144861), (90, 2795432), (95, 2648304), (106, 2373480), (114, 2206920), (120, 2096574), (144, 1747145), (152, 1655190), (159, 1582320), (171, 1471280), (180, 1397716), (190, 1324152), (212, 1186740), (228, 1103460), (240, 1048287), (265, 949392), (285, 882768), (304, 827595), (318, 791160), (342, 735640), (347, 725040), (360, 698858), (380, 662076), (424, 593370), (456, 551730), (477, 527440), (530, 474696), (570, 441384), (636, 395580), (684, 367820), (694, 362520), (720, 349429), (760, 331038), (795, 316464), (848, 296685), (855, 294256), (912, 275865), (954, 263720), (1007, 249840), (1041, 241680), (1060, 237348), (1140, 220692), (1272, 197790), (1368, 183910), (1388, 181260), (1520, 165519), (1590, 158232), (1710, 147128), (1735, 145008), (1908, 131860), (2014, 124920), (2082, 120840), (2120, 118674), (2280, 110346), (2385, 105488), (2544, 98895), (2736, 91955), (2776, 90630), (3021, 83280), (3123, 80560), (3180, 79116), (3420, 73564), (3470, 72504), (3816, 65930), (4028, 62460), (4164, 60420), (4240, 59337), (4560, 55173), (4770, 52744), (5035, 49968), (5205, 48336), (5552, 45315), (6042, 41640), (6246, 40280), (6360, 39558), (6593, 38160), (6840, 36782), (6940, 36252), (7632, 32965), (8056, 31230), (8328, 30210), (9063, 27760), (9540, 26372), (10070, 24984), (10410, 24168), (12084, 20820), (12492, 20140), (12720, 19779), (13186, 19080), (13680, 18391), (13880, 18126), (15105, 16656), (15615, 16112)]