20161507464

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{31573}}^1$

素因数の和:31780

約数の個数: 144

約数和(自身を含む): 63871991820

約数和(自身を除く): 43710484356

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 181, 196, 252, 294, 362, 392, 441, 504, 543, 588, 724, 882, 1086, 1176, 1267, 1448, 1629, 1764, 2172, 2534, 3258, 3528, 3801, 4344, 5068, 6516, 7602, 8869, 10136, 11403, 13032, 15204, 17738, 22806, 26607, 30408, 31573, 35476, 45612, 53214, 63146, 70952, 79821, 91224, 94719, 106428, 126292, 159642, 189438, 212856, 221011, 252584, 284157, 319284, 378876, 442022, 568314, 638568, 663033, 757752, 884044, 1136628, 1326066, 1547077, 1768088, 1989099, 2273256, 2652132, 3094154, 3978198, 4641231, 5304264, 5714713, 6188308, 7956396, 9282462, 11429426, 12376616, 13923693, 15912792, 17144139, 18564924, 22858852, 27847386, 34288278, 37129848, 40002991, 45717704, 51432417, 55694772, 68576556, 80005982, 102864834, 111389544, 120008973, 137153112, 160011964, 205729668, 240017946, 280020937, 320023928, 360026919, 411459336, 480035892, 560041874, 720053838, 840062811, 960071784, 1120083748, 1440107676, 1680125622, 2240167496, 2520188433, 2880215352, 3360251244, 5040376866, 6720502488, 10080753732, 20161507464]

約数ペア:

[(1, 20161507464), (2, 10080753732), (3, 6720502488), (4, 5040376866), (6, 3360251244), (7, 2880215352), (8, 2520188433), (9, 2240167496), (12, 1680125622), (14, 1440107676), (18, 1120083748), (21, 960071784), (24, 840062811), (28, 720053838), (36, 560041874), (42, 480035892), (49, 411459336), (56, 360026919), (63, 320023928), (72, 280020937), (84, 240017946), (98, 205729668), (126, 160011964), (147, 137153112), (168, 120008973), (181, 111389544), (196, 102864834), (252, 80005982), (294, 68576556), (362, 55694772), (392, 51432417), (441, 45717704), (504, 40002991), (543, 37129848), (588, 34288278), (724, 27847386), (882, 22858852), (1086, 18564924), (1176, 17144139), (1267, 15912792), (1448, 13923693), (1629, 12376616), (1764, 11429426), (2172, 9282462), (2534, 7956396), (3258, 6188308), (3528, 5714713), (3801, 5304264), (4344, 4641231), (5068, 3978198), (6516, 3094154), (7602, 2652132), (8869, 2273256), (10136, 1989099), (11403, 1768088), (13032, 1547077), (15204, 1326066), (17738, 1136628), (22806, 884044), (26607, 757752), (30408, 663033), (31573, 638568), (35476, 568314), (45612, 442022), (53214, 378876), (63146, 319284), (70952, 284157), (79821, 252584), (91224, 221011), (94719, 212856), (106428, 189438), (126292, 159642)]