28316520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 95558400

約数和(自身を除く): 67241880

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, 90, 108, 120, 135, 157, 167, 180, 216, 270, 314, 334, 360, 471, 501, 540, 628, 668, 785, 835, 942, 1002, 1080, 1256, 1336, 1413, 1503, 1570, 1670, 1884, 2004, 2355, 2505, 2826, 3006, 3140, 3340, 3768, 4008, 4239, 4509, 4710, 5010, 5652, 6012, 6280, 6680, 7065, 7515, 8478, 9018, 9420, 10020, 11304, 12024, 14130, 15030, 16956, 18036, 18840, 20040, 21195, 22545, 26219, 28260, 30060, 33912, 36072, 42390, 45090, 52438, 56520, 60120, 78657, 84780, 90180, 104876, 131095, 157314, 169560, 180360, 209752, 235971, 262190, 314628, 393285, 471942, 524380, 629256, 707913, 786570, 943884, 1048760, 1179855, 1415826, 1573140, 1887768, 2359710, 2831652, 3146280, 3539565, 4719420, 5663304, 7079130, 9438840, 14158260, 28316520]

約数ペア:

[(1, 28316520), (2, 14158260), (3, 9438840), (4, 7079130), (5, 5663304), (6, 4719420), (8, 3539565), (9, 3146280), (10, 2831652), (12, 2359710), (15, 1887768), (18, 1573140), (20, 1415826), (24, 1179855), (27, 1048760), (30, 943884), (36, 786570), (40, 707913), (45, 629256), (54, 524380), (60, 471942), (72, 393285), (90, 314628), (108, 262190), (120, 235971), (135, 209752), (157, 180360), (167, 169560), (180, 157314), (216, 131095), (270, 104876), (314, 90180), (334, 84780), (360, 78657), (471, 60120), (501, 56520), (540, 52438), (628, 45090), (668, 42390), (785, 36072), (835, 33912), (942, 30060), (1002, 28260), (1080, 26219), (1256, 22545), (1336, 21195), (1413, 20040), (1503, 18840), (1570, 18036), (1670, 16956), (1884, 15030), (2004, 14130), (2355, 12024), (2505, 11304), (2826, 10020), (3006, 9420), (3140, 9018), (3340, 8478), (3768, 7515), (4008, 7065), (4239, 6680), (4509, 6280), (4710, 6012), (5010, 5652)]