123351280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1429}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 312792480

約数和(自身を除く): 189441200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 664, 830, 1040, 1079, 1328, 1429, 1660, 2158, 2858, 3320, 4316, 5395, 5716, 6640, 7145, 8632, 10790, 11432, 14290, 17264, 18577, 21580, 22864, 28580, 37154, 43160, 57160, 74308, 86320, 92885, 114320, 118607, 148616, 185770, 237214, 297232, 371540, 474428, 593035, 743080, 948856, 1186070, 1486160, 1541891, 1897712, 2372140, 3083782, 4744280, 6167564, 7709455, 9488560, 12335128, 15418910, 24670256, 30837820, 61675640, 123351280]

約数ペア:

[(1, 123351280), (2, 61675640), (4, 30837820), (5, 24670256), (8, 15418910), (10, 12335128), (13, 9488560), (16, 7709455), (20, 6167564), (26, 4744280), (40, 3083782), (52, 2372140), (65, 1897712), (80, 1541891), (83, 1486160), (104, 1186070), (130, 948856), (166, 743080), (208, 593035), (260, 474428), (332, 371540), (415, 297232), (520, 237214), (664, 185770), (830, 148616), (1040, 118607), (1079, 114320), (1328, 92885), (1429, 86320), (1660, 74308), (2158, 57160), (2858, 43160), (3320, 37154), (4316, 28580), (5395, 22864), (5716, 21580), (6640, 18577), (7145, 17264), (8632, 14290), (10790, 11432)]