81552240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1$

素因数の和:1508

約数の個数: 240

約数和(自身を含む): 341692416

約数和(自身を除く): 260140176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1471, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 2942, 3080, 3465, 3696, 3960, 4413, 4620, 5040, 5544, 5884, 6160, 6930, 7355, 7920, 8826, 9240, 10297, 11088, 11768, 13239, 13860, 14710, 16181, 17652, 18480, 20594, 22065, 23536, 26478, 27720, 29420, 30891, 32362, 35304, 41188, 44130, 48543, 51485, 52956, 55440, 58840, 61782, 64724, 66195, 70608, 80905, 82376, 88260, 92673, 97086, 102970, 105912, 113267, 117680, 123564, 129448, 132390, 145629, 154455, 161810, 164752, 176520, 185346, 194172, 205940, 211824, 226534, 242715, 247128, 258896, 264780, 291258, 308910, 323620, 339801, 353040, 370692, 388344, 411880, 453068, 463365, 485430, 494256, 529560, 566335, 582516, 617820, 647240, 679602, 728145, 741384, 776688, 823760, 906136, 926730, 970860, 1019403, 1059120, 1132670, 1165032, 1235640, 1294480, 1359204, 1456290, 1482768, 1699005, 1812272, 1853460, 1941720, 2038806, 2265340, 2330064, 2471280, 2718408, 2912580, 3398010, 3706920, 3883440, 4077612, 4530680, 5097015, 5436816, 5825160, 6796020, 7413840, 8155224, 9061360, 10194030, 11650320, 13592040, 16310448, 20388060, 27184080, 40776120, 81552240]

約数ペア:

[(1, 81552240), (2, 40776120), (3, 27184080), (4, 20388060), (5, 16310448), (6, 13592040), (7, 11650320), (8, 10194030), (9, 9061360), (10, 8155224), (11, 7413840), (12, 6796020), (14, 5825160), (15, 5436816), (16, 5097015), (18, 4530680), (20, 4077612), (21, 3883440), (22, 3706920), (24, 3398010), (28, 2912580), (30, 2718408), (33, 2471280), (35, 2330064), (36, 2265340), (40, 2038806), (42, 1941720), (44, 1853460), (45, 1812272), (48, 1699005), (55, 1482768), (56, 1456290), (60, 1359204), (63, 1294480), (66, 1235640), (70, 1165032), (72, 1132670), (77, 1059120), (80, 1019403), (84, 970860), (88, 926730), (90, 906136), (99, 823760), (105, 776688), (110, 741384), (112, 728145), (120, 679602), (126, 647240), (132, 617820), (140, 582516), (144, 566335), (154, 529560), (165, 494256), (168, 485430), (176, 463365), (180, 453068), (198, 411880), (210, 388344), (220, 370692), (231, 353040), (240, 339801), (252, 323620), (264, 308910), (280, 291258), (308, 264780), (315, 258896), (330, 247128), (336, 242715), (360, 226534), (385, 211824), (396, 205940), (420, 194172), (440, 185346), (462, 176520), (495, 164752), (504, 161810), (528, 154455), (560, 145629), (616, 132390), (630, 129448), (660, 123564), (693, 117680), (720, 113267), (770, 105912), (792, 102970), (840, 97086), (880, 92673), (924, 88260), (990, 82376), (1008, 80905), (1155, 70608), (1232, 66195), (1260, 64724), (1320, 61782), (1386, 58840), (1471, 55440), (1540, 52956), (1584, 51485), (1680, 48543), (1848, 44130), (1980, 41188), (2310, 35304), (2520, 32362), (2640, 30891), (2772, 29420), (2942, 27720), (3080, 26478), (3465, 23536), (3696, 22065), (3960, 20594), (4413, 18480), (4620, 17652), (5040, 16181), (5544, 14710), (5884, 13860), (6160, 13239), (6930, 11768), (7355, 11088), (7920, 10297), (8826, 9240)]