80416320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:628

約数の個数: 112

約数和(自身を含む): 257178048

約数和(自身を除く): 176761728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 211, 240, 320, 397, 422, 480, 633, 794, 844, 960, 1055, 1191, 1266, 1588, 1688, 1985, 2110, 2382, 2532, 3165, 3176, 3376, 3970, 4220, 4764, 5064, 5955, 6330, 6352, 6752, 7940, 8440, 9528, 10128, 11910, 12660, 12704, 13504, 15880, 16880, 19056, 20256, 23820, 25320, 25408, 31760, 33760, 38112, 40512, 47640, 50640, 63520, 67520, 76224, 83767, 95280, 101280, 127040, 167534, 190560, 202560, 251301, 335068, 381120, 418835, 502602, 670136, 837670, 1005204, 1256505, 1340272, 1675340, 2010408, 2513010, 2680544, 3350680, 4020816, 5026020, 5361088, 6701360, 8041632, 10052040, 13402720, 16083264, 20104080, 26805440, 40208160, 80416320]

約数ペア:

[(1, 80416320), (2, 40208160), (3, 26805440), (4, 20104080), (5, 16083264), (6, 13402720), (8, 10052040), (10, 8041632), (12, 6701360), (15, 5361088), (16, 5026020), (20, 4020816), (24, 3350680), (30, 2680544), (32, 2513010), (40, 2010408), (48, 1675340), (60, 1340272), (64, 1256505), (80, 1005204), (96, 837670), (120, 670136), (160, 502602), (192, 418835), (211, 381120), (240, 335068), (320, 251301), (397, 202560), (422, 190560), (480, 167534), (633, 127040), (794, 101280), (844, 95280), (960, 83767), (1055, 76224), (1191, 67520), (1266, 63520), (1588, 50640), (1688, 47640), (1985, 40512), (2110, 38112), (2382, 33760), (2532, 31760), (3165, 25408), (3176, 25320), (3376, 23820), (3970, 20256), (4220, 19056), (4764, 16880), (5064, 15880), (5955, 13504), (6330, 12704), (6352, 12660), (6752, 11910), (7940, 10128), (8440, 9528)]