640408032

素因数分解:

$2^5\times 3^5\times {\mathrm{11}}^1\times {\mathrm{7487}}^1$

素因数の和:7523

約数の個数: 144

約数和(自身を含む): 2060577792

約数和(自身を除く): 1420169760

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 288, 297, 324, 352, 396, 432, 486, 528, 594, 648, 792, 864, 891, 972, 1056, 1188, 1296, 1584, 1782, 1944, 2376, 2592, 2673, 3168, 3564, 3888, 4752, 5346, 7128, 7487, 7776, 9504, 10692, 14256, 14974, 21384, 22461, 28512, 29948, 42768, 44922, 59896, 67383, 82357, 85536, 89844, 119792, 134766, 164714, 179688, 202149, 239584, 247071, 269532, 329428, 359376, 404298, 494142, 539064, 606447, 658856, 718752, 741213, 808596, 988284, 1078128, 1212894, 1317712, 1482426, 1617192, 1819341, 1976568, 2156256, 2223639, 2425788, 2635424, 2964852, 3234384, 3638682, 3953136, 4447278, 4851576, 5929704, 6468768, 6670917, 7277364, 7906272, 8894556, 9703152, 11859408, 13341834, 14554728, 17789112, 19406304, 20012751, 23718816, 26683668, 29109456, 35578224, 40025502, 53367336, 58218912, 71156448, 80051004, 106734672, 160102008, 213469344, 320204016, 640408032]

約数ペア:

[(1, 640408032), (2, 320204016), (3, 213469344), (4, 160102008), (6, 106734672), (8, 80051004), (9, 71156448), (11, 58218912), (12, 53367336), (16, 40025502), (18, 35578224), (22, 29109456), (24, 26683668), (27, 23718816), (32, 20012751), (33, 19406304), (36, 17789112), (44, 14554728), (48, 13341834), (54, 11859408), (66, 9703152), (72, 8894556), (81, 7906272), (88, 7277364), (96, 6670917), (99, 6468768), (108, 5929704), (132, 4851576), (144, 4447278), (162, 3953136), (176, 3638682), (198, 3234384), (216, 2964852), (243, 2635424), (264, 2425788), (288, 2223639), (297, 2156256), (324, 1976568), (352, 1819341), (396, 1617192), (432, 1482426), (486, 1317712), (528, 1212894), (594, 1078128), (648, 988284), (792, 808596), (864, 741213), (891, 718752), (972, 658856), (1056, 606447), (1188, 539064), (1296, 494142), (1584, 404298), (1782, 359376), (1944, 329428), (2376, 269532), (2592, 247071), (2673, 239584), (3168, 202149), (3564, 179688), (3888, 164714), (4752, 134766), (5346, 119792), (7128, 89844), (7487, 85536), (7776, 82357), (9504, 67383), (10692, 59896), (14256, 44922), (14974, 42768), (21384, 29948), (22461, 28512)]