164386480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1418

約数の個数: 80

約数和(自身を含む): 407473920

約数和(自身を除く): 243087440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1303, 1328, 1520, 1577, 1660, 2606, 3154, 3320, 5212, 6308, 6515, 6640, 7885, 10424, 12616, 13030, 15770, 20848, 24757, 25232, 26060, 31540, 49514, 52120, 63080, 99028, 104240, 108149, 123785, 126160, 198056, 216298, 247570, 396112, 432596, 495140, 540745, 865192, 990280, 1081490, 1730384, 1980560, 2054831, 2162980, 4109662, 4325960, 8219324, 8651920, 10274155, 16438648, 20548310, 32877296, 41096620, 82193240, 164386480]

約数ペア:

[(1, 164386480), (2, 82193240), (4, 41096620), (5, 32877296), (8, 20548310), (10, 16438648), (16, 10274155), (19, 8651920), (20, 8219324), (38, 4325960), (40, 4109662), (76, 2162980), (80, 2054831), (83, 1980560), (95, 1730384), (152, 1081490), (166, 990280), (190, 865192), (304, 540745), (332, 495140), (380, 432596), (415, 396112), (664, 247570), (760, 216298), (830, 198056), (1303, 126160), (1328, 123785), (1520, 108149), (1577, 104240), (1660, 99028), (2606, 63080), (3154, 52120), (3320, 49514), (5212, 31540), (6308, 26060), (6515, 25232), (6640, 24757), (7885, 20848), (10424, 15770), (12616, 13030)]