1519587440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{38219}}^1$

素因数の和:38310

約数の個数: 80

約数和(自身を含む): 4094737920

約数和(自身を除く): 2575150480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 38219, 39760, 76438, 152876, 191095, 267533, 305752, 382190, 535066, 611504, 764380, 1070132, 1337665, 1528760, 2140264, 2675330, 2713549, 3057520, 4280528, 5350660, 5427098, 10701320, 10854196, 13567745, 18994843, 21402640, 21708392, 27135490, 37989686, 43416784, 54270980, 75979372, 94974215, 108541960, 151958744, 189948430, 217083920, 303917488, 379896860, 759793720, 1519587440]

約数ペア:

[(1, 1519587440), (2, 759793720), (4, 379896860), (5, 303917488), (7, 217083920), (8, 189948430), (10, 151958744), (14, 108541960), (16, 94974215), (20, 75979372), (28, 54270980), (35, 43416784), (40, 37989686), (56, 27135490), (70, 21708392), (71, 21402640), (80, 18994843), (112, 13567745), (140, 10854196), (142, 10701320), (280, 5427098), (284, 5350660), (355, 4280528), (497, 3057520), (560, 2713549), (568, 2675330), (710, 2140264), (994, 1528760), (1136, 1337665), (1420, 1070132), (1988, 764380), (2485, 611504), (2840, 535066), (3976, 382190), (4970, 305752), (5680, 267533), (7952, 191095), (9940, 152876), (19880, 76438), (38219, 39760)]