64920240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1208

約数の個数: 240

約数和(自身を含む): 272054016

約数和(自身を除く): 207133776

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, 1171, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2342, 2520, 2640, 2772, 3080, 3465, 3513, 3696, 3960, 4620, 4684, 5040, 5544, 5855, 6160, 6930, 7026, 7920, 8197, 9240, 9368, 10539, 11088, 11710, 12881, 13860, 14052, 16394, 17565, 18480, 18736, 21078, 23420, 24591, 25762, 27720, 28104, 32788, 35130, 38643, 40985, 42156, 46840, 49182, 51524, 52695, 55440, 56208, 64405, 65576, 70260, 73773, 77286, 81970, 84312, 90167, 93680, 98364, 103048, 105390, 115929, 122955, 128810, 131152, 140520, 147546, 154572, 163940, 168624, 180334, 193215, 196728, 206096, 210780, 231858, 245910, 257620, 270501, 281040, 295092, 309144, 327880, 360668, 368865, 386430, 393456, 421560, 450835, 463716, 491820, 515240, 541002, 579645, 590184, 618288, 655760, 721336, 737730, 772860, 811503, 843120, 901670, 927432, 983640, 1030480, 1082004, 1159290, 1180368, 1352505, 1442672, 1475460, 1545720, 1623006, 1803340, 1854864, 1967280, 2164008, 2318580, 2705010, 2950920, 3091440, 3246012, 3606680, 4057515, 4328016, 4637160, 5410020, 5901840, 6492024, 7213360, 8115030, 9274320, 10820040, 12984048, 16230060, 21640080, 32460120, 64920240]

約数ペア:

[(1, 64920240), (2, 32460120), (3, 21640080), (4, 16230060), (5, 12984048), (6, 10820040), (7, 9274320), (8, 8115030), (9, 7213360), (10, 6492024), (11, 5901840), (12, 5410020), (14, 4637160), (15, 4328016), (16, 4057515), (18, 3606680), (20, 3246012), (21, 3091440), (22, 2950920), (24, 2705010), (28, 2318580), (30, 2164008), (33, 1967280), (35, 1854864), (36, 1803340), (40, 1623006), (42, 1545720), (44, 1475460), (45, 1442672), (48, 1352505), (55, 1180368), (56, 1159290), (60, 1082004), (63, 1030480), (66, 983640), (70, 927432), (72, 901670), (77, 843120), (80, 811503), (84, 772860), (88, 737730), (90, 721336), (99, 655760), (105, 618288), (110, 590184), (112, 579645), (120, 541002), (126, 515240), (132, 491820), (140, 463716), (144, 450835), (154, 421560), (165, 393456), (168, 386430), (176, 368865), (180, 360668), (198, 327880), (210, 309144), (220, 295092), (231, 281040), (240, 270501), (252, 257620), (264, 245910), (280, 231858), (308, 210780), (315, 206096), (330, 196728), (336, 193215), (360, 180334), (385, 168624), (396, 163940), (420, 154572), (440, 147546), (462, 140520), (495, 131152), (504, 128810), (528, 122955), (560, 115929), (616, 105390), (630, 103048), (660, 98364), (693, 93680), (720, 90167), (770, 84312), (792, 81970), (840, 77286), (880, 73773), (924, 70260), (990, 65576), (1008, 64405), (1155, 56208), (1171, 55440), (1232, 52695), (1260, 51524), (1320, 49182), (1386, 46840), (1540, 42156), (1584, 40985), (1680, 38643), (1848, 35130), (1980, 32788), (2310, 28104), (2342, 27720), (2520, 25762), (2640, 24591), (2772, 23420), (3080, 21078), (3465, 18736), (3513, 18480), (3696, 17565), (3960, 16394), (4620, 14052), (4684, 13860), (5040, 12881), (5544, 11710), (5855, 11088), (6160, 10539), (6930, 9368), (7026, 9240), (7920, 8197)]