65440440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 256

約数和(自身を含む): 241920000

約数和(自身を除く): 176479560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 59, 60, 65, 72, 78, 79, 90, 104, 108, 117, 118, 120, 130, 135, 156, 158, 177, 180, 195, 216, 234, 236, 237, 260, 270, 295, 312, 316, 351, 354, 360, 390, 395, 468, 472, 474, 520, 531, 540, 585, 590, 632, 702, 708, 711, 767, 780, 790, 885, 936, 948, 1027, 1062, 1080, 1170, 1180, 1185, 1404, 1416, 1422, 1534, 1560, 1580, 1593, 1755, 1770, 1896, 2054, 2124, 2133, 2301, 2340, 2360, 2370, 2655, 2808, 2844, 3068, 3081, 3160, 3186, 3510, 3540, 3555, 3835, 4108, 4248, 4266, 4602, 4661, 4680, 4740, 5135, 5310, 5688, 6136, 6162, 6372, 6903, 7020, 7080, 7110, 7670, 7965, 8216, 8532, 9204, 9243, 9322, 9480, 10270, 10620, 10665, 11505, 12324, 12744, 13806, 13983, 14040, 14220, 15340, 15405, 15930, 17064, 18408, 18486, 18644, 20540, 20709, 21240, 21330, 23010, 23305, 24648, 27612, 27729, 27966, 28440, 30680, 30810, 31860, 34515, 36972, 37288, 41080, 41418, 41949, 42660, 46020, 46215, 46610, 55224, 55458, 55932, 60593, 61620, 63720, 69030, 69915, 73944, 82836, 83898, 85320, 92040, 92430, 93220, 103545, 110916, 111864, 121186, 123240, 125847, 138060, 138645, 139830, 165672, 167796, 181779, 184860, 186440, 207090, 209745, 221832, 242372, 251694, 276120, 277290, 279660, 302965, 335592, 363558, 369720, 414180, 419490, 484744, 503388, 545337, 554580, 559320, 605930, 629235, 727116, 828360, 838980, 908895, 1006776, 1090674, 1109160, 1211860, 1258470, 1454232, 1636011, 1677960, 1817790, 2181348, 2423720, 2516940, 2726685, 3272022, 3635580, 4362696, 5033880, 5453370, 6544044, 7271160, 8180055, 10906740, 13088088, 16360110, 21813480, 32720220, 65440440]

約数ペア:

[(1, 65440440), (2, 32720220), (3, 21813480), (4, 16360110), (5, 13088088), (6, 10906740), (8, 8180055), (9, 7271160), (10, 6544044), (12, 5453370), (13, 5033880), (15, 4362696), (18, 3635580), (20, 3272022), (24, 2726685), (26, 2516940), (27, 2423720), (30, 2181348), (36, 1817790), (39, 1677960), (40, 1636011), (45, 1454232), (52, 1258470), (54, 1211860), (59, 1109160), (60, 1090674), (65, 1006776), (72, 908895), (78, 838980), (79, 828360), (90, 727116), (104, 629235), (108, 605930), (117, 559320), (118, 554580), (120, 545337), (130, 503388), (135, 484744), (156, 419490), (158, 414180), (177, 369720), (180, 363558), (195, 335592), (216, 302965), (234, 279660), (236, 277290), (237, 276120), (260, 251694), (270, 242372), (295, 221832), (312, 209745), (316, 207090), (351, 186440), (354, 184860), (360, 181779), (390, 167796), (395, 165672), (468, 139830), (472, 138645), (474, 138060), (520, 125847), (531, 123240), (540, 121186), (585, 111864), (590, 110916), (632, 103545), (702, 93220), (708, 92430), (711, 92040), (767, 85320), (780, 83898), (790, 82836), (885, 73944), (936, 69915), (948, 69030), (1027, 63720), (1062, 61620), (1080, 60593), (1170, 55932), (1180, 55458), (1185, 55224), (1404, 46610), (1416, 46215), (1422, 46020), (1534, 42660), (1560, 41949), (1580, 41418), (1593, 41080), (1755, 37288), (1770, 36972), (1896, 34515), (2054, 31860), (2124, 30810), (2133, 30680), (2301, 28440), (2340, 27966), (2360, 27729), (2370, 27612), (2655, 24648), (2808, 23305), (2844, 23010), (3068, 21330), (3081, 21240), (3160, 20709), (3186, 20540), (3510, 18644), (3540, 18486), (3555, 18408), (3835, 17064), (4108, 15930), (4248, 15405), (4266, 15340), (4602, 14220), (4661, 14040), (4680, 13983), (4740, 13806), (5135, 12744), (5310, 12324), (5688, 11505), (6136, 10665), (6162, 10620), (6372, 10270), (6903, 9480), (7020, 9322), (7080, 9243), (7110, 9204), (7670, 8532), (7965, 8216)]