2015251720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3803

約数の個数: 128

約数和(自身を含む): 5142528000

約数和(自身を除く): 3127276280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 184, 190, 230, 248, 310, 380, 437, 460, 589, 620, 713, 760, 874, 920, 1178, 1240, 1426, 1748, 2185, 2356, 2852, 2945, 3496, 3565, 3719, 4370, 4712, 5704, 5890, 7130, 7438, 8740, 11780, 13547, 14260, 14876, 17480, 18595, 23560, 27094, 28520, 29752, 37190, 54188, 67735, 70661, 74380, 85537, 108376, 115289, 135470, 141322, 148760, 171074, 230578, 270940, 282644, 342148, 353305, 427685, 461156, 541880, 565288, 576445, 684296, 706610, 855370, 922312, 1152890, 1413220, 1625203, 1710740, 2190491, 2305780, 2651647, 2826440, 3250406, 3421480, 4380982, 4611560, 5303294, 6500812, 8126015, 8761964, 10606588, 10952455, 13001624, 13258235, 16252030, 17523928, 21213176, 21904910, 26516470, 32504060, 43809820, 50381293, 53032940, 65008120, 87619640, 100762586, 106065880, 201525172, 251906465, 403050344, 503812930, 1007625860, 2015251720]

約数ペア:

[(1, 2015251720), (2, 1007625860), (4, 503812930), (5, 403050344), (8, 251906465), (10, 201525172), (19, 106065880), (20, 100762586), (23, 87619640), (31, 65008120), (38, 53032940), (40, 50381293), (46, 43809820), (62, 32504060), (76, 26516470), (92, 21904910), (95, 21213176), (115, 17523928), (124, 16252030), (152, 13258235), (155, 13001624), (184, 10952455), (190, 10606588), (230, 8761964), (248, 8126015), (310, 6500812), (380, 5303294), (437, 4611560), (460, 4380982), (589, 3421480), (620, 3250406), (713, 2826440), (760, 2651647), (874, 2305780), (920, 2190491), (1178, 1710740), (1240, 1625203), (1426, 1413220), (1748, 1152890), (2185, 922312), (2356, 855370), (2852, 706610), (2945, 684296), (3496, 576445), (3565, 565288), (3719, 541880), (4370, 461156), (4712, 427685), (5704, 353305), (5890, 342148), (7130, 282644), (7438, 270940), (8740, 230578), (11780, 171074), (13547, 148760), (14260, 141322), (14876, 135470), (17480, 115289), (18595, 108376), (23560, 85537), (27094, 74380), (28520, 70661), (29752, 67735), (37190, 54188)]