85231720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 237484800

約数和(自身を除く): 152253080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 433, 518, 532, 665, 703, 740, 760, 866, 1036, 1064, 1295, 1330, 1406, 1480, 1732, 2072, 2165, 2590, 2660, 2812, 3031, 3464, 3515, 4330, 4921, 5180, 5320, 5624, 6062, 7030, 8227, 8660, 9842, 10360, 12124, 14060, 15155, 16021, 16454, 17320, 19684, 24248, 24605, 28120, 30310, 32042, 32908, 39368, 41135, 49210, 57589, 60620, 64084, 65816, 80105, 82270, 98420, 112147, 115178, 121240, 128168, 160210, 164540, 196840, 224294, 230356, 287945, 304399, 320420, 329080, 448588, 460712, 560735, 575890, 608798, 640840, 897176, 1121470, 1151780, 1217596, 1521995, 2130793, 2242940, 2303560, 2435192, 3043990, 4261586, 4485880, 6087980, 8523172, 10653965, 12175960, 17046344, 21307930, 42615860, 85231720]

約数ペア:

[(1, 85231720), (2, 42615860), (4, 21307930), (5, 17046344), (7, 12175960), (8, 10653965), (10, 8523172), (14, 6087980), (19, 4485880), (20, 4261586), (28, 3043990), (35, 2435192), (37, 2303560), (38, 2242940), (40, 2130793), (56, 1521995), (70, 1217596), (74, 1151780), (76, 1121470), (95, 897176), (133, 640840), (140, 608798), (148, 575890), (152, 560735), (185, 460712), (190, 448588), (259, 329080), (266, 320420), (280, 304399), (296, 287945), (370, 230356), (380, 224294), (433, 196840), (518, 164540), (532, 160210), (665, 128168), (703, 121240), (740, 115178), (760, 112147), (866, 98420), (1036, 82270), (1064, 80105), (1295, 65816), (1330, 64084), (1406, 60620), (1480, 57589), (1732, 49210), (2072, 41135), (2165, 39368), (2590, 32908), (2660, 32042), (2812, 30310), (3031, 28120), (3464, 24605), (3515, 24248), (4330, 19684), (4921, 17320), (5180, 16454), (5320, 16021), (5624, 15155), (6062, 14060), (7030, 12124), (8227, 10360), (8660, 9842)]