261095520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 288

約数和(自身を含む): 1014558048

約数和(自身を除く): 753462528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 96, 98, 102, 105, 112, 119, 120, 136, 140, 147, 160, 168, 170, 196, 204, 210, 224, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 480, 490, 510, 544, 560, 588, 595, 653, 672, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1120, 1176, 1190, 1306, 1360, 1428, 1470, 1568, 1632, 1666, 1680, 1785, 1904, 1959, 1960, 2040, 2352, 2380, 2499, 2612, 2720, 2856, 2940, 3265, 3332, 3360, 3570, 3808, 3918, 3920, 4080, 4165, 4571, 4704, 4760, 4998, 5224, 5712, 5880, 6530, 6664, 7140, 7836, 7840, 8160, 8330, 9142, 9520, 9795, 9996, 10448, 11101, 11424, 11760, 12495, 13060, 13328, 13713, 14280, 15672, 16660, 18284, 19040, 19590, 19992, 20896, 22202, 22855, 23520, 24990, 26120, 26656, 27426, 28560, 31344, 31997, 33303, 33320, 36568, 39180, 39984, 44404, 45710, 49980, 52240, 54852, 55505, 57120, 62688, 63994, 66606, 66640, 68565, 73136, 77707, 78360, 79968, 88808, 91420, 95991, 99960, 104480, 109704, 111010, 127988, 133212, 133280, 137130, 146272, 155414, 156720, 159985, 166515, 177616, 182840, 191982, 199920, 219408, 222020, 233121, 255976, 266424, 274260, 310828, 313440, 319970, 333030, 355232, 365680, 383964, 388535, 399840, 438816, 444040, 466242, 479955, 511952, 532848, 543949, 548520, 621656, 639940, 666060, 731360, 767928, 777070, 888080, 932484, 959910, 1023904, 1065696, 1087898, 1097040, 1165605, 1243312, 1279880, 1332120, 1535856, 1554140, 1631847, 1776160, 1864968, 1919820, 2175796, 2194080, 2331210, 2486624, 2559760, 2664240, 2719745, 3071712, 3108280, 3263694, 3729936, 3839640, 4351592, 4662420, 5119520, 5328480, 5439490, 6216560, 6527388, 7459872, 7679280, 8159235, 8703184, 9324840, 10878980, 12433120, 13054776, 15358560, 16318470, 17406368, 18649680, 21757960, 26109552, 32636940, 37299360, 43515920, 52219104, 65273880, 87031840, 130547760, 261095520]

約数ペア:

[(1, 261095520), (2, 130547760), (3, 87031840), (4, 65273880), (5, 52219104), (6, 43515920), (7, 37299360), (8, 32636940), (10, 26109552), (12, 21757960), (14, 18649680), (15, 17406368), (16, 16318470), (17, 15358560), (20, 13054776), (21, 12433120), (24, 10878980), (28, 9324840), (30, 8703184), (32, 8159235), (34, 7679280), (35, 7459872), (40, 6527388), (42, 6216560), (48, 5439490), (49, 5328480), (51, 5119520), (56, 4662420), (60, 4351592), (68, 3839640), (70, 3729936), (80, 3263694), (84, 3108280), (85, 3071712), (96, 2719745), (98, 2664240), (102, 2559760), (105, 2486624), (112, 2331210), (119, 2194080), (120, 2175796), (136, 1919820), (140, 1864968), (147, 1776160), (160, 1631847), (168, 1554140), (170, 1535856), (196, 1332120), (204, 1279880), (210, 1243312), (224, 1165605), (238, 1097040), (240, 1087898), (245, 1065696), (255, 1023904), (272, 959910), (280, 932484), (294, 888080), (336, 777070), (340, 767928), (357, 731360), (392, 666060), (408, 639940), (420, 621656), (476, 548520), (480, 543949), (490, 532848), (510, 511952), (544, 479955), (560, 466242), (588, 444040), (595, 438816), (653, 399840), (672, 388535), (680, 383964), (714, 365680), (735, 355232), (784, 333030), (816, 319970), (833, 313440), (840, 310828), (952, 274260), (980, 266424), (1020, 255976), (1120, 233121), (1176, 222020), (1190, 219408), (1306, 199920), (1360, 191982), (1428, 182840), (1470, 177616), (1568, 166515), (1632, 159985), (1666, 156720), (1680, 155414), (1785, 146272), (1904, 137130), (1959, 133280), (1960, 133212), (2040, 127988), (2352, 111010), (2380, 109704), (2499, 104480), (2612, 99960), (2720, 95991), (2856, 91420), (2940, 88808), (3265, 79968), (3332, 78360), (3360, 77707), (3570, 73136), (3808, 68565), (3918, 66640), (3920, 66606), (4080, 63994), (4165, 62688), (4571, 57120), (4704, 55505), (4760, 54852), (4998, 52240), (5224, 49980), (5712, 45710), (5880, 44404), (6530, 39984), (6664, 39180), (7140, 36568), (7836, 33320), (7840, 33303), (8160, 31997), (8330, 31344), (9142, 28560), (9520, 27426), (9795, 26656), (9996, 26120), (10448, 24990), (11101, 23520), (11424, 22855), (11760, 22202), (12495, 20896), (13060, 19992), (13328, 19590), (13713, 19040), (14280, 18284), (15672, 16660)]