1578570920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 3929040000

約数和(自身を除く): 2350469080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 67, 76, 95, 116, 134, 145, 152, 190, 232, 268, 290, 335, 380, 536, 551, 580, 670, 760, 1069, 1102, 1160, 1273, 1340, 1943, 2138, 2204, 2546, 2680, 2755, 3886, 4276, 4408, 5092, 5345, 5510, 6365, 7772, 8552, 9715, 10184, 10690, 11020, 12730, 15544, 19430, 20311, 21380, 22040, 25460, 31001, 36917, 38860, 40622, 42760, 50920, 62002, 71623, 73834, 77720, 81244, 101555, 124004, 143246, 147668, 155005, 162488, 184585, 203110, 248008, 286492, 295336, 310010, 358115, 369170, 406220, 572984, 589019, 620020, 716230, 738340, 812440, 1178038, 1240040, 1360837, 1432460, 1476680, 2077067, 2356076, 2721674, 2864920, 2945095, 4154134, 4712152, 5443348, 5890190, 6804185, 8308268, 10385335, 10886696, 11780380, 13608370, 16616536, 20770670, 23560760, 27216740, 39464273, 41541340, 54433480, 78928546, 83082680, 157857092, 197321365, 315714184, 394642730, 789285460, 1578570920]

約数ペア:

[(1, 1578570920), (2, 789285460), (4, 394642730), (5, 315714184), (8, 197321365), (10, 157857092), (19, 83082680), (20, 78928546), (29, 54433480), (38, 41541340), (40, 39464273), (58, 27216740), (67, 23560760), (76, 20770670), (95, 16616536), (116, 13608370), (134, 11780380), (145, 10886696), (152, 10385335), (190, 8308268), (232, 6804185), (268, 5890190), (290, 5443348), (335, 4712152), (380, 4154134), (536, 2945095), (551, 2864920), (580, 2721674), (670, 2356076), (760, 2077067), (1069, 1476680), (1102, 1432460), (1160, 1360837), (1273, 1240040), (1340, 1178038), (1943, 812440), (2138, 738340), (2204, 716230), (2546, 620020), (2680, 589019), (2755, 572984), (3886, 406220), (4276, 369170), (4408, 358115), (5092, 310010), (5345, 295336), (5510, 286492), (6365, 248008), (7772, 203110), (8552, 184585), (9715, 162488), (10184, 155005), (10690, 147668), (11020, 143246), (12730, 124004), (15544, 101555), (19430, 81244), (20311, 77720), (21380, 73834), (22040, 71623), (25460, 62002), (31001, 50920), (36917, 42760), (38860, 40622)]