178792920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:559

約数の個数: 160

約数和(自身を含む): 606790800

約数和(自身を除く): 427997880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 397, 405, 417, 540, 556, 648, 695, 794, 810, 834, 1080, 1112, 1191, 1251, 1390, 1588, 1620, 1668, 1985, 2085, 2382, 2502, 2780, 3176, 3240, 3336, 3573, 3753, 3970, 4170, 4764, 5004, 5560, 5955, 6255, 7146, 7506, 7940, 8340, 9528, 10008, 10719, 11259, 11910, 12510, 14292, 15012, 15880, 16680, 17865, 18765, 21438, 22518, 23820, 25020, 28584, 30024, 32157, 35730, 37530, 42876, 45036, 47640, 50040, 53595, 55183, 56295, 64314, 71460, 75060, 85752, 90072, 107190, 110366, 112590, 128628, 142920, 150120, 160785, 165549, 214380, 220732, 225180, 257256, 275915, 321570, 331098, 428760, 441464, 450360, 496647, 551830, 643140, 662196, 827745, 993294, 1103660, 1286280, 1324392, 1489941, 1655490, 1986588, 2207320, 2483235, 2979882, 3310980, 3973176, 4469823, 4966470, 5959764, 6621960, 7449705, 8939646, 9932940, 11919528, 14899410, 17879292, 19865880, 22349115, 29798820, 35758584, 44698230, 59597640, 89396460, 178792920]

約数ペア:

[(1, 178792920), (2, 89396460), (3, 59597640), (4, 44698230), (5, 35758584), (6, 29798820), (8, 22349115), (9, 19865880), (10, 17879292), (12, 14899410), (15, 11919528), (18, 9932940), (20, 8939646), (24, 7449705), (27, 6621960), (30, 5959764), (36, 4966470), (40, 4469823), (45, 3973176), (54, 3310980), (60, 2979882), (72, 2483235), (81, 2207320), (90, 1986588), (108, 1655490), (120, 1489941), (135, 1324392), (139, 1286280), (162, 1103660), (180, 993294), (216, 827745), (270, 662196), (278, 643140), (324, 551830), (360, 496647), (397, 450360), (405, 441464), (417, 428760), (540, 331098), (556, 321570), (648, 275915), (695, 257256), (794, 225180), (810, 220732), (834, 214380), (1080, 165549), (1112, 160785), (1191, 150120), (1251, 142920), (1390, 128628), (1588, 112590), (1620, 110366), (1668, 107190), (1985, 90072), (2085, 85752), (2382, 75060), (2502, 71460), (2780, 64314), (3176, 56295), (3240, 55183), (3336, 53595), (3573, 50040), (3753, 47640), (3970, 45036), (4170, 42876), (4764, 37530), (5004, 35730), (5560, 32157), (5955, 30024), (6255, 28584), (7146, 25020), (7506, 23820), (7940, 22518), (8340, 21438), (9528, 18765), (10008, 17865), (10719, 16680), (11259, 15880), (11910, 15012), (12510, 14292)]