257356710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 256

約数和(自身を含む): 827366400

約数和(自身を除く): 570009690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 19, 26, 27, 30, 34, 38, 39, 45, 51, 54, 57, 65, 78, 85, 90, 95, 102, 114, 117, 130, 135, 153, 170, 171, 190, 195, 221, 227, 234, 247, 255, 270, 285, 306, 323, 342, 351, 390, 442, 454, 459, 494, 510, 513, 570, 585, 646, 663, 681, 702, 741, 765, 855, 918, 969, 1026, 1105, 1135, 1170, 1235, 1326, 1362, 1482, 1530, 1615, 1710, 1755, 1938, 1989, 2043, 2210, 2223, 2270, 2295, 2470, 2565, 2907, 2951, 3230, 3315, 3405, 3510, 3705, 3859, 3978, 4086, 4199, 4313, 4446, 4590, 4845, 5130, 5814, 5902, 5967, 6129, 6630, 6669, 6810, 7410, 7718, 8398, 8626, 8721, 8853, 9690, 9945, 10215, 11115, 11577, 11934, 12258, 12597, 12939, 13338, 14535, 14755, 17442, 17706, 19295, 19890, 20430, 20995, 21565, 22230, 23154, 25194, 25878, 26559, 29070, 29510, 29835, 30645, 33345, 34731, 37791, 38590, 38817, 41990, 43130, 43605, 44265, 50167, 53118, 56069, 57885, 59670, 61290, 62985, 64695, 66690, 69462, 73321, 75582, 77634, 79677, 87210, 88530, 100334, 104193, 112138, 113373, 115770, 116451, 125970, 129390, 132795, 146642, 150501, 159354, 168207, 173655, 188955, 194085, 208386, 219963, 226746, 232902, 250835, 265590, 280345, 301002, 336414, 347310, 366605, 377910, 388170, 398385, 439926, 451503, 501670, 504621, 520965, 560690, 566865, 582255, 659889, 733210, 752505, 796770, 841035, 903006, 953173, 1009242, 1041930, 1099815, 1133730, 1164510, 1319778, 1354509, 1505010, 1513863, 1682070, 1906346, 1979667, 2199630, 2257515, 2523105, 2709018, 2859519, 3027726, 3299445, 3959334, 4515030, 4765865, 5046210, 5719038, 6598890, 6772545, 7569315, 8578557, 9531730, 9898335, 13545090, 14297595, 15138630, 17157114, 19796670, 25735671, 28595190, 42892785, 51471342, 85785570, 128678355, 257356710]

約数ペア:

[(1, 257356710), (2, 128678355), (3, 85785570), (5, 51471342), (6, 42892785), (9, 28595190), (10, 25735671), (13, 19796670), (15, 17157114), (17, 15138630), (18, 14297595), (19, 13545090), (26, 9898335), (27, 9531730), (30, 8578557), (34, 7569315), (38, 6772545), (39, 6598890), (45, 5719038), (51, 5046210), (54, 4765865), (57, 4515030), (65, 3959334), (78, 3299445), (85, 3027726), (90, 2859519), (95, 2709018), (102, 2523105), (114, 2257515), (117, 2199630), (130, 1979667), (135, 1906346), (153, 1682070), (170, 1513863), (171, 1505010), (190, 1354509), (195, 1319778), (221, 1164510), (227, 1133730), (234, 1099815), (247, 1041930), (255, 1009242), (270, 953173), (285, 903006), (306, 841035), (323, 796770), (342, 752505), (351, 733210), (390, 659889), (442, 582255), (454, 566865), (459, 560690), (494, 520965), (510, 504621), (513, 501670), (570, 451503), (585, 439926), (646, 398385), (663, 388170), (681, 377910), (702, 366605), (741, 347310), (765, 336414), (855, 301002), (918, 280345), (969, 265590), (1026, 250835), (1105, 232902), (1135, 226746), (1170, 219963), (1235, 208386), (1326, 194085), (1362, 188955), (1482, 173655), (1530, 168207), (1615, 159354), (1710, 150501), (1755, 146642), (1938, 132795), (1989, 129390), (2043, 125970), (2210, 116451), (2223, 115770), (2270, 113373), (2295, 112138), (2470, 104193), (2565, 100334), (2907, 88530), (2951, 87210), (3230, 79677), (3315, 77634), (3405, 75582), (3510, 73321), (3705, 69462), (3859, 66690), (3978, 64695), (4086, 62985), (4199, 61290), (4313, 59670), (4446, 57885), (4590, 56069), (4845, 53118), (5130, 50167), (5814, 44265), (5902, 43605), (5967, 43130), (6129, 41990), (6630, 38817), (6669, 38590), (6810, 37791), (7410, 34731), (7718, 33345), (8398, 30645), (8626, 29835), (8721, 29510), (8853, 29070), (9690, 26559), (9945, 25878), (10215, 25194), (11115, 23154), (11577, 22230), (11934, 21565), (12258, 20995), (12597, 20430), (12939, 19890), (13338, 19295), (14535, 17706), (14755, 17442)]