178876260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 576226560

約数和(自身を除く): 397350300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 193, 228, 271, 285, 342, 380, 386, 542, 570, 579, 684, 772, 813, 855, 965, 1084, 1140, 1158, 1355, 1626, 1710, 1737, 1930, 2316, 2439, 2710, 2895, 3252, 3420, 3474, 3667, 3860, 4065, 4878, 5149, 5420, 5790, 6948, 7334, 8130, 8685, 9756, 10298, 11001, 11580, 12195, 14668, 15447, 16260, 17370, 18335, 20596, 22002, 24390, 25745, 30894, 33003, 34740, 36670, 44004, 46341, 48780, 51490, 52303, 55005, 61788, 66006, 73340, 77235, 92682, 102980, 104606, 110010, 132012, 154470, 156909, 165015, 185364, 209212, 220020, 231705, 261515, 308940, 313818, 330030, 463410, 470727, 523030, 627636, 660060, 784545, 926820, 941454, 993757, 1046060, 1569090, 1882908, 1987514, 2353635, 2981271, 3138180, 3975028, 4707270, 4968785, 5962542, 8943813, 9414540, 9937570, 11925084, 14906355, 17887626, 19875140, 29812710, 35775252, 44719065, 59625420, 89438130, 178876260]

約数ペア:

[(1, 178876260), (2, 89438130), (3, 59625420), (4, 44719065), (5, 35775252), (6, 29812710), (9, 19875140), (10, 17887626), (12, 14906355), (15, 11925084), (18, 9937570), (19, 9414540), (20, 8943813), (30, 5962542), (36, 4968785), (38, 4707270), (45, 3975028), (57, 3138180), (60, 2981271), (76, 2353635), (90, 1987514), (95, 1882908), (114, 1569090), (171, 1046060), (180, 993757), (190, 941454), (193, 926820), (228, 784545), (271, 660060), (285, 627636), (342, 523030), (380, 470727), (386, 463410), (542, 330030), (570, 313818), (579, 308940), (684, 261515), (772, 231705), (813, 220020), (855, 209212), (965, 185364), (1084, 165015), (1140, 156909), (1158, 154470), (1355, 132012), (1626, 110010), (1710, 104606), (1737, 102980), (1930, 92682), (2316, 77235), (2439, 73340), (2710, 66006), (2895, 61788), (3252, 55005), (3420, 52303), (3474, 51490), (3667, 48780), (3860, 46341), (4065, 44004), (4878, 36670), (5149, 34740), (5420, 33003), (5790, 30894), (6948, 25745), (7334, 24390), (8130, 22002), (8685, 20596), (9756, 18335), (10298, 17370), (11001, 16260), (11580, 15447), (12195, 14668)]