84081080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 200340000

約数和(自身を除く): 116258920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 317, 349, 380, 634, 698, 760, 1268, 1396, 1585, 1745, 2536, 2792, 3170, 3490, 6023, 6340, 6631, 6980, 12046, 12680, 13262, 13960, 24092, 26524, 30115, 33155, 48184, 53048, 60230, 66310, 110633, 120460, 132620, 221266, 240920, 265240, 442532, 553165, 885064, 1106330, 2102027, 2212660, 4204054, 4425320, 8408108, 10510135, 16816216, 21020270, 42040540, 84081080]

約数ペア:

[(1, 84081080), (2, 42040540), (4, 21020270), (5, 16816216), (8, 10510135), (10, 8408108), (19, 4425320), (20, 4204054), (38, 2212660), (40, 2102027), (76, 1106330), (95, 885064), (152, 553165), (190, 442532), (317, 265240), (349, 240920), (380, 221266), (634, 132620), (698, 120460), (760, 110633), (1268, 66310), (1396, 60230), (1585, 53048), (1745, 48184), (2536, 33155), (2792, 30115), (3170, 26524), (3490, 24092), (6023, 13960), (6340, 13262), (6631, 12680), (6980, 12046)]