180804988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 412379520

約数和(自身を除く): 231574532

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 364, 494, 532, 676, 988, 1183, 1729, 2011, 2366, 3211, 3458, 4022, 4732, 6422, 6916, 8044, 12844, 14077, 22477, 26143, 28154, 38209, 44954, 52286, 56308, 76418, 89908, 104572, 152836, 183001, 267463, 339859, 366002, 496717, 534926, 679718, 732004, 993434, 1069852, 1359436, 1986868, 2379013, 3477019, 4758026, 6457321, 6954038, 9516052, 12914642, 13908076, 25829284, 45201247, 90402494, 180804988]

約数ペア:

[(1, 180804988), (2, 90402494), (4, 45201247), (7, 25829284), (13, 13908076), (14, 12914642), (19, 9516052), (26, 6954038), (28, 6457321), (38, 4758026), (52, 3477019), (76, 2379013), (91, 1986868), (133, 1359436), (169, 1069852), (182, 993434), (247, 732004), (266, 679718), (338, 534926), (364, 496717), (494, 366002), (532, 339859), (676, 267463), (988, 183001), (1183, 152836), (1729, 104572), (2011, 89908), (2366, 76418), (3211, 56308), (3458, 52286), (4022, 44954), (4732, 38209), (6422, 28154), (6916, 26143), (8044, 22477), (12844, 14077)]