20141280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 70053984

約数和(自身を除く): 49912704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 197, 213, 240, 284, 288, 355, 360, 394, 426, 480, 568, 591, 639, 710, 720, 788, 852, 985, 1065, 1136, 1182, 1278, 1420, 1440, 1576, 1704, 1773, 1970, 2130, 2272, 2364, 2556, 2840, 2955, 3152, 3195, 3408, 3546, 3940, 4260, 4728, 5112, 5680, 5910, 6304, 6390, 6816, 7092, 7880, 8520, 8865, 9456, 10224, 11360, 11820, 12780, 13987, 14184, 15760, 17040, 17730, 18912, 20448, 23640, 25560, 27974, 28368, 31520, 34080, 35460, 41961, 47280, 51120, 55948, 56736, 69935, 70920, 83922, 94560, 102240, 111896, 125883, 139870, 141840, 167844, 209805, 223792, 251766, 279740, 283680, 335688, 419610, 447584, 503532, 559480, 629415, 671376, 839220, 1007064, 1118960, 1258830, 1342752, 1678440, 2014128, 2237920, 2517660, 3356880, 4028256, 5035320, 6713760, 10070640, 20141280]

約数ペア:

[(1, 20141280), (2, 10070640), (3, 6713760), (4, 5035320), (5, 4028256), (6, 3356880), (8, 2517660), (9, 2237920), (10, 2014128), (12, 1678440), (15, 1342752), (16, 1258830), (18, 1118960), (20, 1007064), (24, 839220), (30, 671376), (32, 629415), (36, 559480), (40, 503532), (45, 447584), (48, 419610), (60, 335688), (71, 283680), (72, 279740), (80, 251766), (90, 223792), (96, 209805), (120, 167844), (142, 141840), (144, 139870), (160, 125883), (180, 111896), (197, 102240), (213, 94560), (240, 83922), (284, 70920), (288, 69935), (355, 56736), (360, 55948), (394, 51120), (426, 47280), (480, 41961), (568, 35460), (591, 34080), (639, 31520), (710, 28368), (720, 27974), (788, 25560), (852, 23640), (985, 20448), (1065, 18912), (1136, 17730), (1182, 17040), (1278, 15760), (1420, 14184), (1440, 13987), (1576, 12780), (1704, 11820), (1773, 11360), (1970, 10224), (2130, 9456), (2272, 8865), (2364, 8520), (2556, 7880), (2840, 7092), (2955, 6816), (3152, 6390), (3195, 6304), (3408, 5910), (3546, 5680), (3940, 5112), (4260, 4728)]