231640020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 769305600

約数和(自身を除く): 537665580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 107, 108, 114, 135, 171, 180, 190, 211, 214, 228, 270, 285, 321, 342, 380, 422, 428, 513, 535, 540, 570, 633, 642, 684, 844, 855, 963, 1026, 1055, 1070, 1140, 1266, 1284, 1605, 1710, 1899, 1926, 2033, 2052, 2110, 2140, 2532, 2565, 2889, 3165, 3210, 3420, 3798, 3852, 4009, 4066, 4220, 4815, 5130, 5697, 5778, 6099, 6330, 6420, 7596, 8018, 8132, 9495, 9630, 10165, 10260, 11394, 11556, 12027, 12198, 12660, 14445, 16036, 18297, 18990, 19260, 20045, 20330, 22577, 22788, 24054, 24396, 28485, 28890, 30495, 36081, 36594, 37980, 40090, 40660, 45154, 48108, 54891, 56970, 57780, 60135, 60990, 67731, 72162, 73188, 80180, 90308, 91485, 108243, 109782, 112885, 113940, 120270, 121980, 135462, 144324, 180405, 182970, 203193, 216486, 219564, 225770, 240540, 270924, 274455, 338655, 360810, 365940, 406386, 428963, 432972, 451540, 541215, 548910, 609579, 677310, 721620, 812772, 857926, 1015965, 1082430, 1097820, 1219158, 1286889, 1354620, 1715852, 2031930, 2144815, 2164860, 2438316, 2573778, 3047895, 3860667, 4063860, 4289630, 5147556, 6095790, 6434445, 7721334, 8579260, 11582001, 12191580, 12868890, 15442668, 19303335, 23164002, 25737780, 38606670, 46328004, 57910005, 77213340, 115820010, 231640020]

約数ペア:

[(1, 231640020), (2, 115820010), (3, 77213340), (4, 57910005), (5, 46328004), (6, 38606670), (9, 25737780), (10, 23164002), (12, 19303335), (15, 15442668), (18, 12868890), (19, 12191580), (20, 11582001), (27, 8579260), (30, 7721334), (36, 6434445), (38, 6095790), (45, 5147556), (54, 4289630), (57, 4063860), (60, 3860667), (76, 3047895), (90, 2573778), (95, 2438316), (107, 2164860), (108, 2144815), (114, 2031930), (135, 1715852), (171, 1354620), (180, 1286889), (190, 1219158), (211, 1097820), (214, 1082430), (228, 1015965), (270, 857926), (285, 812772), (321, 721620), (342, 677310), (380, 609579), (422, 548910), (428, 541215), (513, 451540), (535, 432972), (540, 428963), (570, 406386), (633, 365940), (642, 360810), (684, 338655), (844, 274455), (855, 270924), (963, 240540), (1026, 225770), (1055, 219564), (1070, 216486), (1140, 203193), (1266, 182970), (1284, 180405), (1605, 144324), (1710, 135462), (1899, 121980), (1926, 120270), (2033, 113940), (2052, 112885), (2110, 109782), (2140, 108243), (2532, 91485), (2565, 90308), (2889, 80180), (3165, 73188), (3210, 72162), (3420, 67731), (3798, 60990), (3852, 60135), (4009, 57780), (4066, 56970), (4220, 54891), (4815, 48108), (5130, 45154), (5697, 40660), (5778, 40090), (6099, 37980), (6330, 36594), (6420, 36081), (7596, 30495), (8018, 28890), (8132, 28485), (9495, 24396), (9630, 24054), (10165, 22788), (10260, 22577), (11394, 20330), (11556, 20045), (12027, 19260), (12198, 18990), (12660, 18297), (14445, 16036)]