255860640

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8461}}^1$

素因数の和:8492

約数の個数: 192

約数和(自身を含む): 1023563520

約数和(自身を除く): 767702880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8461, 10080, 15120, 16922, 25383, 30240, 33844, 42305, 50766, 59227, 67688, 76149, 84610, 101532, 118454, 126915, 135376, 152298, 169220, 177681, 203064, 228447, 236908, 253830, 270752, 296135, 304596, 338440, 355362, 380745, 406128, 456894, 473816, 507660, 533043, 592270, 609192, 676880, 710724, 761490, 812256, 888405, 913788, 947632, 1015320, 1066086, 1142235, 1184540, 1218384, 1353760, 1421448, 1522980, 1599129, 1776810, 1827576, 1895264, 2030640, 2132172, 2284470, 2369080, 2436768, 2665215, 2842896, 3045960, 3198258, 3553620, 3655152, 4061280, 4264344, 4568940, 4738160, 5330430, 5685792, 6091920, 6396516, 7107240, 7310304, 7995645, 8528688, 9137880, 9476320, 10660860, 12183840, 12793032, 14214480, 15991290, 17057376, 18275760, 21321720, 25586064, 28428960, 31982580, 36551520, 42643440, 51172128, 63965160, 85286880, 127930320, 255860640]

約数ペア:

[(1, 255860640), (2, 127930320), (3, 85286880), (4, 63965160), (5, 51172128), (6, 42643440), (7, 36551520), (8, 31982580), (9, 28428960), (10, 25586064), (12, 21321720), (14, 18275760), (15, 17057376), (16, 15991290), (18, 14214480), (20, 12793032), (21, 12183840), (24, 10660860), (27, 9476320), (28, 9137880), (30, 8528688), (32, 7995645), (35, 7310304), (36, 7107240), (40, 6396516), (42, 6091920), (45, 5685792), (48, 5330430), (54, 4738160), (56, 4568940), (60, 4264344), (63, 4061280), (70, 3655152), (72, 3553620), (80, 3198258), (84, 3045960), (90, 2842896), (96, 2665215), (105, 2436768), (108, 2369080), (112, 2284470), (120, 2132172), (126, 2030640), (135, 1895264), (140, 1827576), (144, 1776810), (160, 1599129), (168, 1522980), (180, 1421448), (189, 1353760), (210, 1218384), (216, 1184540), (224, 1142235), (240, 1066086), (252, 1015320), (270, 947632), (280, 913788), (288, 888405), (315, 812256), (336, 761490), (360, 710724), (378, 676880), (420, 609192), (432, 592270), (480, 533043), (504, 507660), (540, 473816), (560, 456894), (630, 406128), (672, 380745), (720, 355362), (756, 338440), (840, 304596), (864, 296135), (945, 270752), (1008, 253830), (1080, 236908), (1120, 228447), (1260, 203064), (1440, 177681), (1512, 169220), (1680, 152298), (1890, 135376), (2016, 126915), (2160, 118454), (2520, 101532), (3024, 84610), (3360, 76149), (3780, 67688), (4320, 59227), (5040, 50766), (6048, 42305), (7560, 33844), (8461, 30240), (10080, 25383), (15120, 16922)]