77920360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 212336640

約数和(自身を除く): 134416280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 188, 191, 217, 235, 248, 280, 310, 329, 376, 382, 434, 470, 620, 658, 764, 868, 940, 955, 1085, 1240, 1316, 1337, 1457, 1528, 1645, 1736, 1880, 1910, 2170, 2632, 2674, 2914, 3290, 3820, 4340, 5348, 5828, 5921, 6580, 6685, 7285, 7640, 8680, 8977, 10199, 10696, 11656, 11842, 13160, 13370, 14570, 17954, 20398, 23684, 26740, 29140, 29605, 35908, 40796, 41447, 44885, 47368, 50995, 53480, 58280, 59210, 62839, 71816, 81592, 82894, 89770, 101990, 118420, 125678, 165788, 179540, 203980, 207235, 236840, 251356, 278287, 314195, 331576, 359080, 407960, 414470, 502712, 556574, 628390, 828940, 1113148, 1256780, 1391435, 1657880, 1948009, 2226296, 2513560, 2782870, 3896018, 5565740, 7792036, 9740045, 11131480, 15584072, 19480090, 38960180, 77920360]

約数ペア:

[(1, 77920360), (2, 38960180), (4, 19480090), (5, 15584072), (7, 11131480), (8, 9740045), (10, 7792036), (14, 5565740), (20, 3896018), (28, 2782870), (31, 2513560), (35, 2226296), (40, 1948009), (47, 1657880), (56, 1391435), (62, 1256780), (70, 1113148), (94, 828940), (124, 628390), (140, 556574), (155, 502712), (188, 414470), (191, 407960), (217, 359080), (235, 331576), (248, 314195), (280, 278287), (310, 251356), (329, 236840), (376, 207235), (382, 203980), (434, 179540), (470, 165788), (620, 125678), (658, 118420), (764, 101990), (868, 89770), (940, 82894), (955, 81592), (1085, 71816), (1240, 62839), (1316, 59210), (1337, 58280), (1457, 53480), (1528, 50995), (1645, 47368), (1736, 44885), (1880, 41447), (1910, 40796), (2170, 35908), (2632, 29605), (2674, 29140), (2914, 26740), (3290, 23684), (3820, 20398), (4340, 17954), (5348, 14570), (5828, 13370), (5921, 13160), (6580, 11842), (6685, 11656), (7285, 10696), (7640, 10199), (8680, 8977)]