30211920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 160

約数和(自身を含む): 106064640

約数和(自身を除く): 75852720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 197, 213, 216, 240, 270, 284, 355, 360, 394, 426, 432, 540, 568, 591, 639, 710, 720, 788, 852, 985, 1065, 1080, 1136, 1182, 1278, 1420, 1576, 1704, 1773, 1917, 1970, 2130, 2160, 2364, 2556, 2840, 2955, 3152, 3195, 3408, 3546, 3834, 3940, 4260, 4728, 5112, 5319, 5680, 5910, 6390, 7092, 7668, 7880, 8520, 8865, 9456, 9585, 10224, 10638, 11820, 12780, 13987, 14184, 15336, 15760, 17040, 17730, 19170, 21276, 23640, 25560, 26595, 27974, 28368, 30672, 35460, 38340, 41961, 42552, 47280, 51120, 53190, 55948, 69935, 70920, 76680, 83922, 85104, 106380, 111896, 125883, 139870, 141840, 153360, 167844, 209805, 212760, 223792, 251766, 279740, 335688, 377649, 419610, 425520, 503532, 559480, 629415, 671376, 755298, 839220, 1007064, 1118960, 1258830, 1510596, 1678440, 1888245, 2014128, 2517660, 3021192, 3356880, 3776490, 5035320, 6042384, 7552980, 10070640, 15105960, 30211920]

約数ペア:

[(1, 30211920), (2, 15105960), (3, 10070640), (4, 7552980), (5, 6042384), (6, 5035320), (8, 3776490), (9, 3356880), (10, 3021192), (12, 2517660), (15, 2014128), (16, 1888245), (18, 1678440), (20, 1510596), (24, 1258830), (27, 1118960), (30, 1007064), (36, 839220), (40, 755298), (45, 671376), (48, 629415), (54, 559480), (60, 503532), (71, 425520), (72, 419610), (80, 377649), (90, 335688), (108, 279740), (120, 251766), (135, 223792), (142, 212760), (144, 209805), (180, 167844), (197, 153360), (213, 141840), (216, 139870), (240, 125883), (270, 111896), (284, 106380), (355, 85104), (360, 83922), (394, 76680), (426, 70920), (432, 69935), (540, 55948), (568, 53190), (591, 51120), (639, 47280), (710, 42552), (720, 41961), (788, 38340), (852, 35460), (985, 30672), (1065, 28368), (1080, 27974), (1136, 26595), (1182, 25560), (1278, 23640), (1420, 21276), (1576, 19170), (1704, 17730), (1773, 17040), (1917, 15760), (1970, 15336), (2130, 14184), (2160, 13987), (2364, 12780), (2556, 11820), (2840, 10638), (2955, 10224), (3152, 9585), (3195, 9456), (3408, 8865), (3546, 8520), (3834, 7880), (3940, 7668), (4260, 7092), (4728, 6390), (5112, 5910), (5319, 5680)]