81187380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 273772800

約数和(自身を除く): 192585420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 41, 45, 54, 57, 60, 76, 82, 90, 95, 108, 114, 123, 135, 164, 171, 180, 190, 193, 205, 228, 246, 270, 285, 342, 369, 380, 386, 410, 492, 513, 540, 570, 579, 615, 684, 738, 772, 779, 820, 855, 965, 1026, 1107, 1140, 1158, 1230, 1476, 1558, 1710, 1737, 1845, 1930, 2052, 2214, 2316, 2337, 2460, 2565, 2895, 3116, 3420, 3474, 3667, 3690, 3860, 3895, 4428, 4674, 5130, 5211, 5535, 5790, 6948, 7011, 7334, 7380, 7790, 7913, 8685, 9348, 10260, 10422, 11001, 11070, 11580, 11685, 14022, 14668, 15580, 15826, 17370, 18335, 20844, 21033, 22002, 22140, 23370, 23739, 26055, 28044, 31652, 33003, 34740, 35055, 36670, 39565, 42066, 44004, 46740, 47478, 52110, 55005, 66006, 70110, 71217, 73340, 79130, 84132, 94956, 99009, 104220, 105165, 110010, 118695, 132012, 140220, 142434, 150347, 158260, 165015, 198018, 210330, 213651, 220020, 237390, 284868, 300694, 330030, 356085, 396036, 420660, 427302, 451041, 474780, 495045, 601388, 660060, 712170, 751735, 854604, 902082, 990090, 1068255, 1353123, 1424340, 1503470, 1804164, 1980180, 2136510, 2255205, 2706246, 3006940, 4059369, 4273020, 4510410, 5412492, 6765615, 8118738, 9020820, 13531230, 16237476, 20296845, 27062460, 40593690, 81187380]

約数ペア:

[(1, 81187380), (2, 40593690), (3, 27062460), (4, 20296845), (5, 16237476), (6, 13531230), (9, 9020820), (10, 8118738), (12, 6765615), (15, 5412492), (18, 4510410), (19, 4273020), (20, 4059369), (27, 3006940), (30, 2706246), (36, 2255205), (38, 2136510), (41, 1980180), (45, 1804164), (54, 1503470), (57, 1424340), (60, 1353123), (76, 1068255), (82, 990090), (90, 902082), (95, 854604), (108, 751735), (114, 712170), (123, 660060), (135, 601388), (164, 495045), (171, 474780), (180, 451041), (190, 427302), (193, 420660), (205, 396036), (228, 356085), (246, 330030), (270, 300694), (285, 284868), (342, 237390), (369, 220020), (380, 213651), (386, 210330), (410, 198018), (492, 165015), (513, 158260), (540, 150347), (570, 142434), (579, 140220), (615, 132012), (684, 118695), (738, 110010), (772, 105165), (779, 104220), (820, 99009), (855, 94956), (965, 84132), (1026, 79130), (1107, 73340), (1140, 71217), (1158, 70110), (1230, 66006), (1476, 55005), (1558, 52110), (1710, 47478), (1737, 46740), (1845, 44004), (1930, 42066), (2052, 39565), (2214, 36670), (2316, 35055), (2337, 34740), (2460, 33003), (2565, 31652), (2895, 28044), (3116, 26055), (3420, 23739), (3474, 23370), (3667, 22140), (3690, 22002), (3860, 21033), (3895, 20844), (4428, 18335), (4674, 17370), (5130, 15826), (5211, 15580), (5535, 14668), (5790, 14022), (6948, 11685), (7011, 11580), (7334, 11070), (7380, 11001), (7790, 10422), (7913, 10260), (8685, 9348)]