128402640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1441

約数の個数: 120

約数和(自身を含む): 434659680

約数和(自身を除く): 306257040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1283, 1390, 1668, 2085, 2224, 2502, 2566, 2780, 3336, 3849, 4170, 5004, 5132, 5560, 6255, 6415, 6672, 7698, 8340, 10008, 10264, 11120, 11547, 12510, 12830, 15396, 16680, 19245, 20016, 20528, 23094, 25020, 25660, 30792, 33360, 38490, 46188, 50040, 51320, 57735, 61584, 76980, 92376, 100080, 102640, 115470, 153960, 178337, 184752, 230940, 307920, 356674, 461880, 535011, 713348, 891685, 923760, 1070022, 1426696, 1605033, 1783370, 2140044, 2675055, 2853392, 3210066, 3566740, 4280088, 5350110, 6420132, 7133480, 8025165, 8560176, 10700220, 12840264, 14266960, 16050330, 21400440, 25680528, 32100660, 42800880, 64201320, 128402640]

約数ペア:

[(1, 128402640), (2, 64201320), (3, 42800880), (4, 32100660), (5, 25680528), (6, 21400440), (8, 16050330), (9, 14266960), (10, 12840264), (12, 10700220), (15, 8560176), (16, 8025165), (18, 7133480), (20, 6420132), (24, 5350110), (30, 4280088), (36, 3566740), (40, 3210066), (45, 2853392), (48, 2675055), (60, 2140044), (72, 1783370), (80, 1605033), (90, 1426696), (120, 1070022), (139, 923760), (144, 891685), (180, 713348), (240, 535011), (278, 461880), (360, 356674), (417, 307920), (556, 230940), (695, 184752), (720, 178337), (834, 153960), (1112, 115470), (1251, 102640), (1283, 100080), (1390, 92376), (1668, 76980), (2085, 61584), (2224, 57735), (2502, 51320), (2566, 50040), (2780, 46188), (3336, 38490), (3849, 33360), (4170, 30792), (5004, 25660), (5132, 25020), (5560, 23094), (6255, 20528), (6415, 20016), (6672, 19245), (7698, 16680), (8340, 15396), (10008, 12830), (10264, 12510), (11120, 11547)]